Photoresist Chemicals 3-Pyridinecarboxamide,N-[2-[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)amino]-2-oxoethyl]-,hydrochloride (1:1) Cas:95873-63-5 Molecular Formula:C19H19 N5 O3 . Cl H