现货供应6,6'-二氨基-2,2'-联吡啶 93127-75-4
6,6'-二氨基-2,2'-联吡啶 6,6'-Diamino-2,2'-bipyridine CAS: 93127-75-4
六正丁基二锡 Hexabutylditin CAS: 813-19-4
7-氯-4-二氢色原酮 7-Chloro-2,3-dihydrochromen-4-one CAS: 18385-72-3
8-溴-4-二氢色圆酮 8-Bromo-2,3-dihydrochromen-4-one CAS: 204377-88-8
8-氯-4-二氢色圆酮 8-Chloro-2,3-dihydrochromen-4-one CAS: 49701-11-3
以上五个产品, 新批次已备好, 上架销售!