3-(4-Aminobenzoyl)-5,7,7-trimethyl-6-oxa-3-azatricyclo(3.2.2.0(sup 2,4))nonane 6-Oxa-3-azatricyclo(3.2.2.0(sup 2,4))nonane, 3-(4-aminobenzoyl)-5,7,7-trimethyl- 82872-91-1