151921-86-7 2-Me-Bis(dimenhph)pyrylium 2-Methyl-4,6-bis(N,N-dimethylaminophenyl)pyrylium 2-Methyl-4,6-bis(N,N-dimethylaminophenyl)pyrylium iodide Pyrylium, 2,4-bis(4-(dimethylamino)phenyl)-6-methyl-, iodide