5-methoxy-2-methylidene-5-oxopentanoate

1,8-蒽二羧酸二甲酯

methyl 4-acetyloxy-3-(acetyloxymethyl)-2-benzamidobut-2-enoate

methyl 2-amino-3-(1-benzylimidazol-4-yl)propanoate,hydrochloride

methyl 19-hydroxynonadecanoate