短语词组短语betain aldehyde 甜菜醛betain hydrochloride 甜菜碱盐酸盐Glycine betain 甘氨酸甜菜碱dodecyl betain 十二烷基甜菜碱thiolhistidine betain 巯组胺酸甲基内盐Coco -betain 椰油基甜菜碱glicin -betain 甘氨酰甜菜酯Betain Aldehyde Dehydragenase 甜菜碱醛脱氢酶 返回 betain