159850-76-7 3-Benzoyl-5-(4-methoxyphenyl)isoxazolo(4,3-d)pyrimidin-7(6H)-one 3-Benzoyl-5-(p-methoxyphenyl)-6,7-dihydroisoxazolo(4,3-d)pyrimidin-7(6H)-one Isoxazolo(4,3-d)pyrimidin-7(6H)-one, 3-benzoyl-5-(4-methoxyphenyl)-