2,6-辛二炔

螺[2.4]庚-4,6-二烯

2,5-二乙基-1H-吡咯

1-ethyl-4-(1-hexadecylpyridin-1-ium-4-yl)pyridin-1-ium,dibromide

N-ethyl-2,6-dimethylaniline