ethyl (2R)-2-[7-(methoxymethyl)-1,3-dimethyl-2,4-dioxopyrimido[4,5-d]pyrimidin-5-yl]sulfanylbutanoate
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 (2R)-2-[7-(methoxymethyl)-1,3-dimethyl-2,4-dioxopyrimido[4,5-d]pyrimidin-5-yl]sulfanylbutanoate以上海關(guān)編碼,可以