21715-90-2 4,7-Methano-1H-isoindole-1,3(2H)-dione, 3a,4,7,7a-tetrahydro-2-hydroxy- 5-Norbornene-2,3-dicarboximide, N-hydroxy- EINECS 244-538-6 N-Hydroxy-5-norbornene-2,3-dicarboximide N-Hydroxynorborn-5-ene-2,3-dicarboximide NSC 100740