159850-74-5 3-Benzoyl-5-phenyl-6,7-dihydroisoxazolo(4,3-d)pyrimidin-7-one 3-Benzoyl-5-phenylisoxazolo(4,3-d)pyrimidin-7(6H)-one Isoxazolo(4,3-d)pyrimidin-7(6H)-one, 3-benzoyl-5-phenyl-