13-顺式-阿维 A 酯

6-ethoxy-4-methyl-6-oxohexa-2,4-dienoate

3-methoxy-13-methyl-7,11,12,16-tetrahydro-6H-cyclopenta[a]phenanthren-17-one

5-bromo-3-methylpenta-1,3-diene

4,4-dimethoxy-3-methylbut-2-enal