Photoresist Chemicals 3H-1,2,4-Triazol-3-one, 5-[2,4-dihydroxy-5-(1-methylethyl)phenyl]-2,4-dihydro-4-[4-[(4-methyl-1- piperazinyl)methyl]phenyl]- Cas：909873-01-4 Molecular Formula：C23H29N5O3