(S)-3-(4-(2-oxa-6-azaspiro[3.3]heptan-6-yl)phenyl)-N-(cyclopentyl(pyridin-2-yl)methyl)-1H-indazole-5-carboxamide 、
苯磺酸 以
甲醇 、
乙酸乙酯 为溶剂,
以74%的产率得到(S)-3-(4-(2-oxa-6-azaspiro[3.3]heptan-6-yl)phenyl)-N-(cyclopentyl(pyridin-2-yl)methyl)-1H-indazole-5-carboxamide benzenesulfonate