acetic acid,1-(oxolan-2-yl)pentan-3-ol

5-乙酰基-3,3-二乙基-6-甲基-1,5,8-三氮杂双环[4.3.0]壬烷-2,4,7,9-四酮

methyl 2-acetamido-3-phenylsulfanylprop-2-enoate

(Z)-N-Acetyl-S-phenyl-α,β-didehydrocystein-methylester

(E)-N-Acetyl-α,β-didehydronorleucin-methylester