Photoresist Chemicals Pyrazolo[3,4-d]azepine-6(1H)-carboxylic acid, 1-[(4-chlorophenyl)methyl]-4,5,7,8-tetrahydro-3-phenyl-, 1,1-dimethylethyl ester Cas：851376-86-8 Molecular Formula：C25H28ClN3O2