5-methyl-7-phenyl-1,2,3,7-tetrahydro-6h-[1,4]diazepino[6,5-c]quinolin-6-one (en)6h-1,4-diazepino[6,5-c]quinolin-6-one, 1,2,3,7-tetrahydro-5-methyl-7-phenyl- (en)