NAT2-18612 MW < 50.0 or > 700.0 NAT2-18615 MW < 50.0 or > 700.0 NAT2-217960 MW < 50.0 or > 700.0 NAT2-217963 MW < 50.0 or > 700.0 NAT36-346556 MW < 50.0 or > 700.0 NAT36-346557 MW < 50.0 or > 700.0