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 an acid selected from the group consisting of propionic acid or nicotinic acid or a hydrate thereof, where the molar ratio of the compound of formula (1) to the 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
化学式为1-[4-(2-氮杂丙基氧基)苯基]-2-(
4-羟基苯基)-3-甲基-1H-
吲哚-5-醇(INN: bazedoxifene),与从
丙酸或
烟酸或其
水合物组成的酸选择的酸反应,其中化合物的摩尔比与酸的比例为1:0.9至1:1.1,并提供其制备方法。