2,4,6-三甲基吡啶

2,4-dimethyl-6-propan-2-ylpyridine

1,3,6,8-tetramethyl-2,7-naphthyridine

1,3,8-trimethyl-6-propan-2-yl-2,7-naphthyridine

2,5-二甲基-3-己酮