(-)-(1R,2S,3S,5R,6R,7S,10R)-5-methoxymethoxy-6,10-dimethyltricyclo<5.3.0.02,6>decan-3-yl p-toluenesulfonate
(-)-(1S,5R,8S,9S,10S,13S)-8-benzyloxy-3,12-dioxatetracyclo<8.2.1.0.5,905,13>tridecan-4,11-dione
(-)-(1S,5R,8S,9S,10S,13S)-8-benzyloxy-11-methoxy-11-methyl-3,12-dioxatetracyclo<8.2.1.0.5,905,13>tridecan-4-one
(+)-(1S,4S,5S)-6,7-diacetyl-4-benzyloxy-1-methylbicyclo<3.2.0>heptane
(+)-(1S,2S,6S,7S,8S)-8-benzyloxy-3-hydroxymethyl-5-methoxy-1,5-dimethyl-4-oxatricyclo<5.3.0.02,6>decane