3-methyl-2,5-dihydrothiophene

4-甲氧基苯乙醛二甲缩醛

1-acetoxy-1-methoxy-2-(4-methoxy-phenyl)-ethane

6-硝基-吲哚啉-2-羧酸甲酯

14-去氧-11,12-二去氢穿心莲内酯