4,7-Dichlor-imidazo<4.5-d>pyridazin;4,7-Dichlor-1H-imidazo[4,5-d]pyridazin;RW2890;
陜西締都新材料有限公司
聯(lián)系商家時請?zhí)峒癱hemicalbook,有助于交易順利完成!
締都醫(yī)藥