如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
D808204-1g 4,4'-二溴三苯胺,98%
3,3'-二溴-2,2'-联噻吩
D808204-100g 4,4'-二溴三苯胺,98%
B803948-500g 2-溴-9,9-二甲基芴,97%
3,6-二溴-9-乙基咔唑
2,5-二溴-3,4-乙烯基二氧噻吩
D806532-100g 4,4'-二甲基二苯胺,97%
D808467-5g 3,3'-二溴-2,2'-联噻吩,98%
D806532-500g 4,4'-二甲基二苯胺,97%
D808228-25g 3,6-二叔丁基咔唑,98%