has role quinolines cyanine dye benzoxazole ammonium salt organic iodide salt fluorochrome Yo-Pro-3 3-methyl-2-(3-{1-[3-(trimethylammonio)propyl]quinolin-4(1H)-ylidene}prop-1-en-1-yl)-1,3-benzoxazol-3-ium diiodide 4-[3-(3-methyl-1,3-benzoxazol-2(3H)-ylidene)prop-1-en-1-yl]-1-[3-(trimethylammonio)propyl]quinolinium diiodide 655.056 655.35280 An unsymmetrical C3 cyanine dye having 1,3-benzoxazol-2-yl and quinolinium-4-yl substituents. C26H31I2N3O CHEBI:51607 InChI=1S/C26H31N3O.2HI/c1-27-24-14-7-8-15-25(24)30-26(27)16-9-11-21-17-19-28(18-10-20-29(2,3)4)23-13-6-5-12-22(21)23;;/h5-9,11-17,19H,10,18,20H2,1-4H3;2*1H/q+2;;/p-2 YO-PRO-3 iodide ZVUUXEGAYWQURQ-UHFFFAOYSA-L [I-].[I-].[H]C(=Cc1oc2ccccc2[n+]1C)C([H])=C1C=CN(CCC[N+](C)(C)C)c2ccccc12 chebi_ontology