Photoresist Chemicals TIANFUCHEM-Piperazine, 1-(4-methyl-1-oxo-2-(4-oxo-2-(3,4,5-trimethoxyphenyl)-3(4H)-quinazolinyl)pentyl)-4-(4-methylphenyl)- Cas:83409-19-2 Molecular Formula:C34H40N4O5