2,3-二氢-2,5,6-三甲基吡嗪

2-methyl1,2,3,4-tetrahydroquinoline

2,4-二硝基-苯乙酸乙酯

1-methyl-2-(methylcarbonylamino)ethylamine

4-(4-甲基-4,5-二氢-1H-咪唑-2-基)苯酚