HC RED NO. 17

Di-[2-[(E)-2-[4-bis(2-hydroxyethyl)aminophenyl]vinyl]pyridin-1-ium]-butanoyl]aminoethyl]disulfanyl dichloride,Pyridinium, 1,1'-[dithiobis[2,1-ethanediylimino(4-oxo-4,1-butanediyl)]]bis[4-[(1E)-2-[4-[bis(2-hydroxyethyl)amino]phenyl]ethenyl]-, chloride (1:2)