{(S)-2-[(R)-3-tert-Butyldisulfanyl-2-(9H-fluoren-9-ylmethoxycarbonylamino)-propionylamino]-4-methylsulfanyl-butyrylamino}-acetic acid allyl ester

methyl N-N-(((9H-fluoren-9-yl)methoxy)carbonyl)-S-(tert-butylthio)-L-cysteinyl-L-methionylglycyl-L-leucyl-L-prolyl-S-((2E,6E)-3,7,11-trimethyldodeca-2,6,10-trien-1-yl)-L-cysteinate