(S)-6-(3-Fluoro-4-methoxy-benzyl)-3,3-dimethyl-2,3,4,7-tetrahydro-1H-indolo[2,3-c]quinolin-1-ol 、
L-苹果酸 以
丙醇 为溶剂,
以furnishing the title compound as yellow crystalline solid (6.0 g, stoichiometric ratio in regard to L-(−)-malic acid 1:1)的产率得到(r)-6-(3-Fluoro-4-methoxy-benzyl)-3,3-dimethyl-2,3,4,7-tetrahydro-1h-indolo[2,3-c]quinolin-1-ol malate