![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Cyclooctyl Ester](http://zinc12.docking.org/img/rings/277412.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Phenethyl Ester](http://zinc12.docking.org/img/rings/277874.gif)
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![N-(2-cyclohexylethyl)-7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/354653.gif)
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![6-[3-(benzylamino)propyl]isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/185382.gif)
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![N-besyl-7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/276855.gif)
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![7-keto-N-(3-piperazinopropyl)-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/478874.gif)
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![7-keto-N-[2-(4-piperidylamino)ethyl]-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/479039.gif)
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![N'-benzoyl-7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carbohydrazide](http://zinc12.docking.org/img/rings/469618.gif)
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![N-[(7-keto-6H-isoxazolo[3,4-d]pyridazin-4-yl)methylene]-1-phenyl-methanesulfonamide](http://zinc12.docking.org/img/rings/276829.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 2-anilinoethyl Ester](http://zinc12.docking.org/img/rings/277825.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 2-phenoxyethyl Ester](http://zinc12.docking.org/img/rings/277670.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 3-(4-pyridyl)propyl Ester](http://zinc12.docking.org/img/rings/277503.gif)
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![N-(2-furfuryl)-4-(7-ketoisoxazolo[3,4-d]pyridazin-6-yl)butyramide](http://zinc12.docking.org/img/rings/391865.gif)
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![N-[2-(azepan-1-yl)ethyl]-7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/478919.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 3-phenylprop-2-ynyl Ester](http://zinc12.docking.org/img/rings/277576.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 3-phenylpropyl Ester](http://zinc12.docking.org/img/rings/277832.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Cinnamyl Ester](http://zinc12.docking.org/img/rings/480499.gif)
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![7-keto-N-(3-phenylpropyl)-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/292619.gif)
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![N-(cyclohexylmethyl)-3-(7-ketoisoxazolo[3,4-d]pyridazin-6-yl)propionamide](http://zinc12.docking.org/img/rings/394765.gif)
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![1-cyclohexyl-3-[(7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carbonyl)amino]thiourea](http://zinc12.docking.org/img/rings/478421.gif)
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![1-[(7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carbonyl)amino]-3-phenyl-thiourea](http://zinc12.docking.org/img/rings/478437.gif)
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![1-[(7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carbonyl)amino]-3-phenyl-urea](http://zinc12.docking.org/img/rings/478536.gif)
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![4-(benzylsulfamoyliminomethyl)-7-keto-6H-isoxazolo[3,4-d]pyridazine](http://zinc12.docking.org/img/rings/276964.gif)
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![7-keto-N-(3-keto-3-piperazino-propyl)-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/479003.gif)
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![N-benzylsulfonyl-7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/277335.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid (2-anilino-2-keto-ethyl) Ester](http://zinc12.docking.org/img/rings/480489.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 2-(2-ketoazepan-1-yl)ethyl Ester](http://zinc12.docking.org/img/rings/277892.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid [2-(cyclohexylamino)-2-keto-ethyl] Ester](http://zinc12.docking.org/img/rings/480552.gif)
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![7-keto-N-[3-(2-keto-1-pyridyl)propyl]-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/478970.gif)
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![7-keto-N-[3-(tetrahydrofurfuryloxy)propyl]-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/479100.gif)
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![N-[(7-keto-6H-isoxazolo[3,4-d]pyridazin-4-yl)methylene]-2-phenyl-ethanesulfonamide](http://zinc12.docking.org/img/rings/277963.gif)
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![N-[(7-keto-6H-isoxazolo[3,4-d]pyridazin-4-yl)methylene]-2-phenyl-ethenesulfonamide](http://zinc12.docking.org/img/rings/276780.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 3-phenoxypropyl Ester](http://zinc12.docking.org/img/rings/277751.gif)
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![7-keto-N-[4-(2-keto-1-pyridyl)butyl]-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/479617.gif)
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![4-(7-ketoisoxazolo[3,4-d]pyridazin-6-yl)-N-(2-piperidinoethyl)butyramide](http://zinc12.docking.org/img/rings/391870.gif)
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![N-(3-benzoxypropyl)-7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/291232.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 3-phenethyloxypropyl Ester](http://zinc12.docking.org/img/rings/480514.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 2-(hydrocinnamoylamino)ethyl Ester](http://zinc12.docking.org/img/rings/278076.gif)
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![4-[2-(1,3-benzothiazol-2-yl)acetyl]-6H-isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/276929.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Coumaran-7-yl Ester](http://zinc12.docking.org/img/rings/277034.gif)
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![4-(3,4-dihydro-2H-quinoline-1-carbonyl)-6H-isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/502902.gif)
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![N-indan-1-yl-7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/620886.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Piperonyl Ester](http://zinc12.docking.org/img/rings/277435.gif)
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![4-(1,2,3,5-tetrahydro-1,4-benzodiazepine-4-carbonyl)-6H-isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/160569.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Benzofuran-2-ylmethyl Ester](http://zinc12.docking.org/img/rings/277878.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Benzofuran-3-ylmethyl Ester](http://zinc12.docking.org/img/rings/277581.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Isothiochroman-4-yl Ester](http://zinc12.docking.org/img/rings/277947.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Thiochroman-4-yl Ester](http://zinc12.docking.org/img/rings/277937.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Tetralin-1-yl Ester](http://zinc12.docking.org/img/rings/277675.gif)
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![6-[(2-naphthylmethylamino)methyl]isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/427092.gif)
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