Indolizin
Spirocyclohexane-1,2-1,3dioxino4,5,6-hiindolizin-8-ol, octahydro-9-(methoxymethoxy)-8-methyl-, 3aS-(3a.alpha.,8.beta.,9.beta.,9a.beta.,9b.alpha.)-
Indolizine,2,2,3,3,5,5,6,6,7,7,8,8,8a-tridecafluorooctahydro-1,1-bis(trifluoromethyl)-
SPIRO[1H-CYCLPENTA[F]INDOLIZINE-7(5H),1'(2'H)- [6H]PYRROLO[3,2,1-IJ]QUINOLINE]-2',6'-DIONE,2,3,- 4',5',5A,6,8,8A,9,9A-DECAHYDRO-7'-METHOXY-4',- 4',8,8-TETRAMETHYL-5A-NITRO-,(1'R,5AR,8AS,- 9AR)-REL-