(1R,2R,6S,8R)-3-((E)-But-2-enoyl)-2,9,9-trimethyl-5-oxa-3-aza-tricyclo[6.1.1.02,6]decan-4-one

(1S,2S,3S,5R)-3-pinanyl 2-pentyn-4-yl ether-dicobalt hexacarbonyl

(1S,2S,3S,5R)-3-pinanyl 2-pentyn-4-yl ether-dicobalt hexacarbonyl

(+)-5-[3’,5’-bis(trifluoromethyl)phenyl]-8,10,10-trimethyl-6-azatricyclo[7.1.1.02,7]undeca-2(7),3,5-triene

(+)-5-(2’-methoxy-1’-naphthyl)-8,10,10-trimethyl-6-azatricyclo[7.1.1.02,7]undeca-2(7),3,5-triene