英文同义词
2H-Tetrazole-5-aceticacid, 2-methyl-, ethyl ester;7-Methylbenzofuran-3(2H)-one;Ethyl 2-(2-Methyl-2H-tetrazol-5-yl)acetate;Ethyl 2-(2-methyl-2H-tetrazol-5-yl)acetate; .;Ethyl2-(2-Methyl-2H-tetrazol-5-yl)acetate;Methyl 2-Cyano-3-methyl-2-butenoate