丁二酸 、
3-((S)-1-(dimethylamino)ethyl)phenyl methyl-((R)-1-phenylpropan-2 yl)carbamate 以to yield 3-((S)-1-(dimethylamino)ethyl)phenyl methyl-((R)-1-phenylpropan-2 yl)carbamate hydrogen succinate的产率得到3-((S)-1-(dimethylamino)ethyl)phenyl methyl-((R)-1-phenylpropan-2 yl)carbamate hydrogen succinate