54196-21-3 12a,14a-dimethyl-1-(6-methylheptan-2-yl)-1,2,3,3a,3b,11,12,12a,12b,13,14,14a-dodecahydroindeno[5,4-a]tetrazolo[1,5-c][3]benzazepin-10(8H)-one 929218-18-8 Pyrimido[5,4-g]quinazoline-2,4,6,8(1H,3H,7H,9H)-tetrone,5-(4-fluorophenyl)-1,3,7,9-tetramethyl- 929218-15-5 Pyrimido[5,4-g]quinazoline-2,4,6,8(1H,3H,7H,9H)-tetrone,1,3,7,9-tetramethyl-5-(4-methylphenyl)-