(5-acetyloxy-2,5-dimethylhex-3-yn-2-yl) acetate

5-chloro-2-methyl-pent-2-ene

3,4-dibromo-2,5-dimethylhexa-2,4-diene

1-chloro-5-methyl-hexa-2,4-diene

L-色氨酸