Photoresist Chemicals Pyrazinecarboxamide, 3,5-diamino-6-chloro-N-[[[4-[4-[2-(1H-imidazol-2-ylamino)-2-oxoethoxy] phenyl]butyl]amino]iminomethyl]- Cas:847354-46-5 Molecular Formula:C21H25ClN10O3