A crystal form of PARP-1 inhibitor and a preparation method therefor are described. Specifically, a crystal form A of 4-[[3-[[2-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-α]pyrazine-7-yl]carbonyl]-4-fluorophenyl]methyl-1(2H)-phthalazinone (formula I) and a preparation method therefor are described.
本文描述了一种PARP-1
抑制剂的晶体形态及其制备方法。具体而言,本文描述了4-[[3-[[2-(三
氟甲基)-5,6,7,8-四氢-[1,2,4]三唑[1,5-α]
吡嗪-7-基]羰基]-4-
氟苯基]甲基-1(2H)-邻
菲啉酮(式I)的A型晶体形态及其制备方法。