34102-79-9
5-phenyl-s-triazolo[1,5-a]pyrimidin-7(4H)-one
→
~77%
28565-43-7
7-氯-5-苯基[1,2,4]噻唑并[1,5-a]嘧啶
94-02-0
苯甲酰乙酸乙酯