tetramethylglycolide;2,5-Dioxo-3,3,6,6-tetramethyl-1,4-dioxan;1,4-Diketo-2,2,5,5-tetramethyl-dioxan;EINECS 229-767-1;
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