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