2-甲基苯并二氢吡喃-4-酮

1-methyl-1,2,4,5,6,7,8,9,10,11,12,13-dodecahydrocyclopenta[12]annulen-3-one

2-phenylethyl but-2-enoate

2-bromo-3-fluorobutanoic acid

4-chloro-3-methyl-indan-1-one