D-308, Pyridinium, 2-[2-[4-(dimethylamino)phenyl]ethenyl]-1-methyl-, iodide, 1-METHYL-2-P-DIMETHYLAMINO-STYRYL-PYRIDINIUM-IODIDE, 2-DI-1-ASP, 2-(4-(Dimethylamino)styryl)-N-methylpyridinium, (E)-2-(4-(dimethylamino)styryl)-1-methylpyridinium iodide, 2-(4-DIMETHYLAMINOSTYRYL)-1-METHYLPYRIDINIUM IODIDE, 2-<4-(dimethylamino)styryl>-1-ethylpyridinium iodide, o-DPD, 2-{2-[4-(dimethylamino)phenyl]ethenyl}-1-methylpyridinium iodide, 2-(4-(dimethylamino)styryl)-1-methylpyridinium, 2m2Pm