Romidepsin Di-S-trityl Impurity

180973-35-7

Cyclo[(2Z)-2-amino-2-butenoyl-L-valyl-(3S,4E)-3-hydroxy-7-[(triphenylmethyl)thio]-4-heptenoyl-D-valyl-S-(triphenylmethyl)-D-cysteinyl]; L-Valine, N-[3-hydroxy-1-oxo-7-[(triphenylmethyl)thio]-4-heptenyl]-D-valyl-S-(triphenylmethyl)-D-cysteinyl-(Z)-2,3-didehydro-2-aminobutanoyl-, ξ-lactone, [S-(E)]; (3S,9S,12R,16S,Z)-6-ethylidene-3,12-diisopropyl-16-((E)-4-(tritylthio)but-1-en-1-yl)-9-((tritylthio)methyl)-1-oxa-4,7,10,13-tetraazacyclohexadecane-2,5,8,11,14-pentaone;