159850-78-9 3-Benzoyl-6-(phenylmethyl)isoxazolo(4,3-d)pyrimidin-7(6H)-one 3-Benzoyl-6-benzyl-6,7-dihydroisoxazolo(4,3-d)pyrimidin-7-one Isoxazolo(4,3-d)pyrimidin-7(6H)-one, 3-benzoyl-6-(phenylmethyl)-