2-Butenoic Acids

《英文msh詞典》2-Butenoic Acids
[同義詞] 2-Butenoic Acids
[主題詞] Crotonic Acids
[中文釋義] 2-丁烯酸類
[英文釋義] 4-Carbon monounsaturated monocarboxylic acids with the unsaturation in the 2 position.