Harness, Dickey & Pierce, P.L.C.
Salt type and crystal type of 4h-pyrazolo [1, 5-alpha] benzimidazole compound and preparation method and intermediate thereof
Disclosed in the present invention are a salt type and crystal type of 4H-pyrazolo[1, 5-alpha]benzimidazole compound and the preparation method and intermediate thereof. The 4H-pyrazolo[1,5-alpha]benzimidazole compound has the structure of Compound 2.
HUMANWELL HEALTHCARE (GROUP) CO., LTD. HUBEI BIO-PHARMACEUTICAL INDUSTRIAL TECHNOLOGICAL INSTITUTE INC.
C C A C A C
C07D C07B A61P C07C A61P C07D
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Ronghua Lu Zheng Charles Z. Lie Xuehai Biao Yang Hui Wenjie Jie Yong Gang Shuhui Jimeng Weidong Hailiang Cailin Cong
Tu Huang Wang Ding Li Wang Deng YuE Liu Sun Shen Xu Li Chen Wang Li Chen Wang Wang