Photoresist Chemicals 1,2-Ethanediamine, N’-(3,4-dihydro-8-methyl-2H-1-benzopyran-6-yl)-N,N-diethyl-, (2Z)-2-butenedioate (1:2) Cas：94126-80-4 Molecular Formula：C16H26N2O.2C4H4O4