1,2,2,4-tetramethylquinoline

1-(2,2,4-trimethylquinolin-1-yl)ethanone

1,2,2,4-四甲基-1,2,3,4-四氢-喹啉

6,6'-亚甲基二(2,2,4-三甲基-1,2-二氢喹啉)