Photoresist Chemicals TIANFU-CHEM L-Valine, N-(1-oxopentyl)-N-[[2′-(1H-tetrazol-5-yl)[1,1′-biphenyl]-4-yl]methyl]-, 3-[(nitrooxy)methyl]phenyl ester Cas:838876-78-1 Molecular Formula:C31H34N6O6