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The betaine will collapse to the alkene only when these two functions are eclipsed.只有當這兩個基團移至重迭位置時碘鹽才能裂解為烯烴.Ingredients: Purified water, Cucumber Extract, Hyaluronic Acid Myristic Acid, Cocoamidopropyl Betaine.主要成份: 維他命E...

n.甜菜堿，三甲銨乙內(nèi)酯...

betaine的音標：betaine的英式發(fā)音音標為：['bi:t?i:n]betaine的美式發(fā)音音標為：['bit?in]...

lycobetaine的音標：lycobetaine的英式發(fā)音音標為：[la?k??b?'te?n]lycobetaine的美式發(fā)音音標為：[la?ko?b?'te?n]...

石蒜堿內(nèi)銨鹽...