2-piperidinecarboxylic acid, 1-((2S)-1-oxo-2-(3,4,5-trimethoxyphenyl)butyl)-, 2,2'-(1,2-ethanediylbis(imino(2-oxo-2,1-ethanediyl)oxy-3,1-phenylene((1R)-3-(3,4-dimethoxyphenyl)propylidene))) ester, (2S,2'S)-
2-piperidinecarboxylic acid, 1-((2s)-1-oxo-2-(3,4,5-trimethoxyphenyl)butyl)-, 2,2'-(1,2-ethanediylbis(imino(2-oxo-2,1-ethanediyl)oxy-3,1-phenylene((1r)-3-(3,4-dimethoxyphenyl)propylidene))) ester, (2s,2's)-