新型吡唑并[3,4-d]嘧啶-4-酮类衍生物的结构表征和镇痛活性
翟重钢,汪鹏程,单玉宝,兰昱,胡锐,杨运煌

Structure Characterization and Analgesic Activity of Novel Pyrazolo[3,4-d]pyrimidin-4-one Derivatives
ZHAI Chonggang,WANG Pengcheng,SHAN Yubao,LAN Yu,HU Rui,YANG Yunhuang
图3 化合物ABC的化学结构及原子编号
Fig. 3 Chemical structures and atomic numbers of compounds A, B