4,7,13,18-tetraoxa-1,10-diazabicylo<8.5.5>eicosan;1,10-diaza-4,7,13,19-tetraoxabicyclo<8.5.5>eicosane;Cryptating agent 211;1,10-diaza-4,7,13,18-tetraoxabicyclo<8.5.5>eicosane;
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