Photoresist Chemicals 2-Propenoic acid, 3-[[4-(2,3-dimethylbenzo[b]thien-7-yl)phenyl]thio]-2-[[(1,1-dimethylethoxy )carbonyl]amino]-, methyl ester, (2E)- Cas：570430-04-5 Molecular Formula：C25H27NO4S2