Photoresist Chemicals 2H-Pyrrol-2-one, 5-cyclohexyl-3-(1,1-dioxido-2H-1,2,4-benzothiadiazin-3-yl)-1,5-dihydro- 4-hydroxy-1-(3-thienylmethyl)-, (5S)- Cas:630132-46-6 Molecular Formula:C22H23N3O4S2