1,1'-Diethyl-2,2'-cyanine chloride 1,1-Diethyl-2,2'-cyanine chloride 2,2'-Cyanine chloride 2,2'-Quinocyanine chloride 2402-42-8 Diethylcyanine N,N'-Diethylpseudoisocyanine N,N'-Diethylpseudoisocyanine chloride NSC97374 Pseudoisocyanine chloride Pseudoisocyanine diethyl chloride Quinolinium, 1-ethyl-2-[(1-ethyl-2(1H)-quinolinylidene)methyl]-, chloride