1,2,4-Triazolo(4,3-a)pyrimidin-3(2H)-one, 5,6,7,8-tetrahydro-2-(3-methylbenzoyl)- 108735-49-5 5,6,7,8-Tetrahydro-2-(3-methylbenzoyl)-1,2,4-triazolo(4,3-a)pyrimidin-3(2H)-one