4-Chloro-5ethylpyrimidine;Pyrimidine,4-chloro-5-ethyl;5-Ethyl-4-chlorpyrimidin;5-ethyl-4-chloropyrimidine;
陕西缔都新材料有限公司
联系商家时请提及chemicalbook,有助于交易顺利完成!
缔都医药