Photoresist Chemicals 1H-Pyrazolo[4,3-c]pyridazinium, 5-amino-7-cyano-2-ethyl-5,6-dihydro-6-imino-3-(2-methylimidazo[1,2-a] pyridin-3-yl)-1-phenyl-, iodide Cas：587874-75-7 Molecular Formula：C22H20N9.I