1,4-Dihydro-3,5-dicarboxy-1,2,6-trimethyl-4,4'-bipyridinium iodide diethyl ester 4,4'-BIPYRIDINIUM, 1,4-DIHYDRO-3,5-DICARBOXY-1,2,6-TRIMETHYL-, IODIDE DIETHYL ES 4,4'-Bipyridinium, 1,4-dihydro-3,5-dicarboxy-1,2,6-trimethyl-, iodide, diethyl ester 53219-30-0 Pan-W-5