E Methyl tridecanoate impurity E 十三碳酸脂肪酸
E Methyl methacrylate impurity E 甲基丙烯酸甲酯
E-Methyl 4-methylcinnamate 对甲基肉桂酸甲酯
E Methyl hexanoate impurity E 己酸甲酯
E Methyl salicylate impurity E 水杨酸甲酯
E Methyl nicotinate impurity E 烟酸甲酯
E Methyl benzenesulfonate impurity E 苯磺酸甲酯
E-3- methyl-2-hexenoic acid 己烯酸
Dipropylene Glycol Methyl E 丙二醇甲醚醋酸酯
E-2-methyl-2-butenal 反2 ; 反2甲2丁烯醛
All - E long chain part was synthesized from solanesol, then condensed with the reductive product of 2,3 - dimethoxy - 5 - methyl -1,4- benzoquinone in the presence of dry ZnCl2.
首先以茄尼醇合成全反式侧链四十碳十烯-1-醇，再和2，3-二甲氧基-5-甲基-1，4-苯醌的还原产物在无水氯化锌存在下缩合。
The streptomycin molecule is composed of three moieties i. e. streptose, streptidine and N-methyl-L-glucosamine.
链霉素是由链霉糖、链霉胍和N甲基一L一葡萄糖胺三部分组成。
The reaction mechanism of 4-methyl-5-ethenyl-heptanitril e oxide cycloaddition is studied with the molecular orbital AM1 method and transit ion state theory.
用过渡状态理论和量子化学AM1方法，对4 甲基5 烯庚腈氧化物环加成反应机理进行了研究。
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