ethyl 2-[(2-butanoyloxyacetyl)amino]-5,5,7,7-tetramethyl-4,6-dihydrothieno[2,3-c]pyridin-6-ium-3-carboxylate
以上海關(guān)編碼,可以定制咨詢
以上海關(guān)編碼,可以定制咨詢
ethyl 2-[(2-butanoyloxyacetyl)amino]-5,5,7,7-tetramethyl-4,6-dihydrothieno[2,3-c]pyridin-6-ium-3-carboxylate以上海關(guān)編碼