7-Oxabicyclo(2.2.1)heptane-2,3-dicarboximide, N-(2,4-dichlorophenyl)-, exo-(Z)- 7741-91-5 exo,cis-N-(2,4-Dichlorophenyl)-7-oxabicyclo(2.2.1)heptane-2,3-dicarboximide