Toluene-4-sulfonic acid (2aR,4aS,6aR,6bR)-1-(decahydro-cyclopenta[cd]pentalen-1-yl)methyl ester
Toluene-4-sulfonic acid (1S,2aR,4aS,6aR,6bR)-(decahydro-cyclopenta[cd]pentalen-1-yl) ester
cis-bicyclo[3.3.0]oct-endo-2-ylcarbonyl chloride
tetrahydrotriquinacene
(+/-)-(3ar,6ac)-octahydro-pentalene-1t-carboxylic acid