![6-[(cyclopropylmethylamino)methyl]isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/461340.gif)
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![4-(pyrrolidine-1-carbonyl)-6H-isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/479608.gif)
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![4-(piperazine-1-carbonyl)-6H-isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/478811.gif)
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![6-[(thiazol-5-ylmethylamino)methyl]isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/522328.gif)
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![4-(piperidine-1-carbonyl)-6H-isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/478827.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Cyclopentyl Ester](http://zinc12.docking.org/img/rings/277648.gif)
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![N-(2-cyclopropylethyl)-7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/469621.gif)
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![N-cyclopentyl-7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/479777.gif)
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![6-phenethylisoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/185307.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Thiazol-4-ylmethyl Ester](http://zinc12.docking.org/img/rings/480501.gif)
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![4-(1,4-diazepane-1-carbonyl)-6H-isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/343484.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 2-thenyl Ester](http://zinc12.docking.org/img/rings/480498.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 3-furfuryl Ester](http://zinc12.docking.org/img/rings/277561.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 3-thenyl Ester](http://zinc12.docking.org/img/rings/480493.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Tetrahydrofurfuryl Ester](http://zinc12.docking.org/img/rings/480556.gif)
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![7-keto-N-(4-piperidyl)-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/479166.gif)
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![7-keto-N-(pyrrolidin-2-ylmethyl)-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/358739.gif)
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![7-keto-N-(pyrrolidin-3-ylmethyl)-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/479554.gif)
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![7-keto-N-(tetrahydrofurfuryl)-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/479218.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Cyclohexyl Ester](http://zinc12.docking.org/img/rings/277654.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Cyclopentylmethyl Ester](http://zinc12.docking.org/img/rings/480518.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Phenyl Ester](http://zinc12.docking.org/img/rings/276993.gif)
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![7-keto-N-phenyl-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/290876.gif)
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![N-cyclohexyl-7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/410721.gif)
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![6-[(benzylamino)methyl]isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/167420.gif)
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![6-[(cyclohexylmethylamino)methyl]isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/461535.gif)
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![N-[(7-keto-6H-isoxazolo[3,4-d]pyridazin-4-yl)methylene]thiophene-2-sulfonamide](http://zinc12.docking.org/img/rings/276707.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 2-(1H-pyrazol-4-yl)ethyl Ester](http://zinc12.docking.org/img/rings/277546.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 2-pyrazol-1-ylethyl Ester](http://zinc12.docking.org/img/rings/277592.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 2-(2-thienyl)ethyl Ester](http://zinc12.docking.org/img/rings/277835.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 2-(3-thienyl)ethyl Ester](http://zinc12.docking.org/img/rings/278009.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 2-pyridylmethyl Ester](http://zinc12.docking.org/img/rings/480553.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid 4-pyridylmethyl Ester](http://zinc12.docking.org/img/rings/480508.gif)
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![7-keto-N-(2-pyrrolidinoethyl)-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/478864.gif)
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![7-keto-N-(3-pyridylmethyl)-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/479234.gif)
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![7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxylic Acid Cyclohexylmethyl Ester](http://zinc12.docking.org/img/rings/277610.gif)
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![N-(cyclohexylmethyl)-7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/479338.gif)
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![N-benzyl-7-keto-6H-isoxazolo[3,4-d]pyridazine-4-carboxamide](http://zinc12.docking.org/img/rings/343118.gif)
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![6-(3-phenoxypropyl)isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/182966.gif)
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![6-[(phenethylamino)methyl]isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/426940.gif)
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![N-[(7-keto-6H-isoxazolo[3,4-d]pyridazin-4-yl)methylene]benzenesulfonamide](http://zinc12.docking.org/img/rings/276666.gif)
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![3-(7-ketoisoxazolo[3,4-d]pyridazin-6-yl)-N-phenyl-propionamide](http://zinc12.docking.org/img/rings/297778.gif)
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![6-[(2-phenoxyethylamino)methyl]isoxazolo[3,4-d]pyridazin-7-one](http://zinc12.docking.org/img/rings/299119.gif)
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