- 双语例句
1、
R 2 is H , amino acid residues, alkyloxyethyl formyl, organic carboxylic acid acyl , phosphoryl, and alkyl.
R2是H, 氨基酸残基,烷氧甲酰基, 有机羧酸酰基, 磷酰基和烷基.
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2、
Taking toluene , chlorosulfonic acid and phosphoryl chloride as raw materials, p - toluenesulfonyl was synthesized.
以 甲苯 、 氯磺酸、三氯氧磷为原料, 氯化铵为催化剂合成对甲苯磺酰氯.
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