(3aR,7aS)-7-(2-Chloro-ethyl)-3a-ethyl-octahydro-indene-1,6-diol

(3aR,7R,7aS)-7-(2-Azido-ethyl)-3a-ethyl-hexahydro-indene-1,6-dione

6aref-Ethyl-9-oxo-(9acisH,9btransH)-perhydro-pyrrolo<3,2,1-ij>chinolin

(6aS,9aR,9bS)-6a-ethyloctahydro-4H-pyrrolo[3,2,1-ij]quinoline-4,9(2H)-dione