Photoresist Chemicals 1,3-Benzodioxole-5-acetonitrile, 6-(6,7,8,9-tetrahydro-6,8-dimethyl-9-oxo-1,3-dioxolo[4,5-h]isoquinolin-7 -yl)-, cis- Cas：88610-29-1 Molecular Formula：C21H18N2O5