The present invention relates to a crystalline compound of 1-[4-(2-azepan-1-ylethoxy)benzyl] -2-(4-hydroxyphenyl)-3-methyl-1H-indol-5-ol (INN: bazedoxifene) of formula 1 with lactic acid or a hydrate thereof, where the molar ratio of the compound of the formula 1 to lactic acid is 1 :0.9 to 1:1.1, and to a process for its preparation.
本发明涉及一种晶体化合物,其为1-[4-(2-氮杂七环-1-基)乙氧基]苯甲基-2-(
4-羟基苯基)-3-甲基-1H-
吲哚-5-醇(INN:贝泽多芬),其与
乳酸或其
水合物结合,其中化合物1与
乳酸的摩尔比为1:0.9至1:1.1,以及其制备方法。