Photoresist Chemicals 4H-Pyrazolo[4,3-c]quinolin-4-one, 5-(3-amino-3-methylbutyl)-8-chloro-2,5-dihydro-3-methyl-2-(tetrahydro-2 H-pyran-2-yl)- Cas:848818-79-1 Molecular Formula:C21H27ClN4O2