1-(6-溴吡啶-2-基)丙-1-酮

3-(3-羟基苯基)-3-氧代丙酸乙酯

CAS:77103-49-2

纯度:97%

3-甲基-2-吡唑啉-5-酮

CAS:108-26-9

分子式:C4H6 N2 O

分子量:98.12

纯度:99%

4-氨基-N'- 羟基-1,2,5-噁二唑-3-碳酰亚胺基氯

CAS:147085-13-0

分子式:C3H3ClN4O2

纯度:97%