647026-13-9

Benzoic acid,3-hydroxy-5-methoxy-2-[[[(1R)-2-methoxy-2-oxo-1-[[(triphenylmethyl)thio]methyl]ethyl]imino]methyl]-6-methyl-,4-[[(1R)-2-methoxy-2-oxo-1-[[(triphenylmethyl)thio]methyl]ethyl]amino]-4-oxobutyl ester