dimethyl[2S,2S']-6,6,6'6'-tetramethoxy-2,2'-[N,N'-bis(trifluoracetyl)-S,S'-bi(L-homocysteinyl) diimino]dihexanoate
dimethyl[2S, 2S']-6,6,6'6'-tetramethoxy-2,2'-[N,N'-bis(trifluoracetyl)-S, S'-bi(L-homocysteinyl) diimino]dihexanoate