Photoresist Chemicals 4,7-Methano-1H-isoindole-1,3(2H)-dione,hexahydro-2-[4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl]-, (3aR,4S,7R,7aS)-rel- Cas：87760-53-0 Molecular Formula：C21H29N5O2