2H-Isoxazolo(4,5-d)azepin-3(4H)-one, 5,6,7,8-tetrahydro- 5,6,7,8-Tetrahydro-2H-isoxazolo(4,5-d)azepin-3(4H)-one 5,6,7,8-Tetrahydro-4H-isoxazolo(4,5-d)azepin-3-ol 53658-58-5 THAZ