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
ROSARIN(P) 标准品
4.6-Dihydroxypyrimidine (无证书)
2-Napthoyl chloride (无证书)
颜料红4
Pentaerythrityl tetrabis(3,5-di-tert-butyl-4-hydroxycinnamat
4,4‘-二氨基二苯甲烷(09) 标准品
2-Hydroxy-4-methoxy-benzophenone-5-sulfonic acid (无证书)
2-Bromo-2-methylpentane (无证书)
马喷特罗-D11
顺丁烯二酸酐/马来酸酐