Photoresist Chemicals 4,6-Dioxa-2-azabicyclo[3.2.0]hept-2-ene, 5-methoxy-3-methyl-1-(1-methylethyl)-7-(2-phenylethyl)-, (1R,5S,7R)-rel- Cas：647012-57-5 Molecular Formula：C17H23NO3