To provide a hydrochloride of a tricyclic pyrazolopyrimidine compound inhibiting the effect of HSP90 and a crystal thereof. The present invention provides a hydrochloride of 2-4-amino-2-[(3-chloro-4-methoxy-5-methylpyridin-2-yl)methyl]-2,7-dihydro-6-thia-1,2,3,5-tetraazabenzo[cd]azulen-8-yl}-N-methylacetamide which inhibits the ATPase activity of HSP90 and which has antitumor activity, a crystal thereof, a medicament comprising the same, an anticancer agent comprising the same, and the like.
本发明提供了一种
三环吡唑嘧啶化合物的盐酸盐,该化合物抑制HSP90的作用并具有抗肿瘤活性,其
化学式为2-4-
氨基-2-[(3-
氯-4-甲氧基-5-
甲基吡啶-2-基)甲基]-2,7-二氢-6-
硫-1,2,3,5-四氮杂苯并[cd]氮杂环-8-基}-N-甲基乙酰胺,还提供了其晶体、包含该化合物的药物、包含该化合物的抗癌剂等。