3H-IndoliuM, 2-[5-[1-[6-[(6-azidohexyl)aMino]-6-oxohexyl]-1,3-dihydro-3,3-diMethyl-5-sulfo-2H-indol-2-ylidene]-1,3-pentadien-1-yl]-1-ethyl-3,3-diMethyl-

1-[6-(6-azidohexoxy)-6-oxohexyl]-2-[(E,3E)-3-(1-ethyl-3,3-dimethyl-5-sulfoindol-2-ylidene)prop-1-enyl]-3,3-dimethylindol-1-ium-5-sulfonate

MSQWWKPNOQFGRU-UHFFFAOYSA-N

CCN\1C2=C(C=C(C=C2)S(=O)(=O)O)C(/C1=C\C=C\C3=[N+](C4=C(C3(C)C)C=C(C=C4)S(=O)(=O)[O-])CCCCCC(=O)OCCCCCCN=[N+]=[N-])(C)C