1,3-Benzenedicarboxylic acid,polymer with 1,4-benzenedicarboxylic acid and 1,4-butanediol;Terephthalic acid,isophthalic acid,1,4-butanediol polymer;
陕西缔都医药化工有限公司
联系商家时请提及chemicalbook,有助于交易顺利完成!
缔都医药