(31S,6aR,9aR)-6a-ethyloctahydro-4H-pyrrolo[3,2,1-ij]quinoline-2,9-dione

(4aS,8aS)-4a-ethyl-7,7-(ethylenedioxy)decahydroquinolin-2-one

N-[(6aR,9aR,9bS)-6a-Ethyl-decahydro-pyrrolo[3,2,1-ij]quinolin-(9Z)-ylidene]-N'-(2-methoxy-phenyl)-hydrazine

(3S)-9-tert-butyldiphenylsilyloxy-6,6-divinyl-3-hydroxynona-1-en

(2S,3S)-9-tert-butyldiphenylsilyloxy-6,6-divinyl-2,3-epoxynonan-1-ol