98%溴化亚铜(7787-70-4)

98%硫代乙酸507-09-5

99%硫代乙酸钾10387-40-3

99%邻苯二酚120-80-9

50%甲基磺酸钾2386-56-3

99%4-二甲氨基吡啶(DMAP) 1122-58-3

98%三丁基焦磷酸铵5975-18-8

99%对氯苯肼盐酸盐1073-70-7