Photoresist Chemicals 2,4(1H,3H)-Pyrimidinedione, 6-amino-5-[(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-ylidene) amino]-1,3-dimethyl- Cas：94622-66-9 Molecular Formula：C16H16N6O3