Photoresist Chemicals 2H-Pyran-4-aminium, N-[[4-[[(6,8-dichloro-2H-1-benzopyran-3-yl)carbonyl]amino]phenyl]meth yl]tetrahydro-N,N-dimethyl-, iodide Cas:874887-88-4 Molecular Formula:C24H27Cl2N2O3.I