1 RKJ (4r,4as,7as,9s)-6-ethyl-3,10-dimethyl-5,6,7,7a,8,9-hexahydro-4h-4a,9-epiminopyrrolo[3',4':5,6]cyclohepta[1,2-D][1,2]oxazol-4-ol 1.000 2 RGY (4r,4as,7as,9s)-3,10-dimethyl-5,6,7,7a,8,9-hexahydro-4h-4a,9-epiminopyrrolo[3',4':5,6]cyclohepta[1,2-D][1,2]oxazol-4-ol 0.895 3 TQS (4r,4ar,7as,9r)-3,10-dimethyl-5,6,7,7a,8,9-hexahydro-4h-4a,9-epiminopyrrolo[3',4':5,6]cyclohepta[1,2-D][1,2]oxazol-4-ol 0.895 4 RGM (3as,8s,9as)-2-acetyl-10-methyl-2,3,6,8,9,9a-hexahydro-3a,8-epiminocyclohepta[1,2-C:4,5-C']dipyrrol-4(1h)-one 0.810 5 RGV (3as,8s,9as)-10-methyl-4-oxo-1,4,6,8,9,9a-hexahydro-3a,8-epiminocyclohepta[1,2-C:4,5-C']dipyrrole-2(3h)-carbaldehyde 0.762