(1S,2S,3S,5R)-4-oxoadamantane-2-carboxylic-2-d acid

(-)-(1R,3S)-4S(e)-bromo-4(a)-deuterioadamantan-2-one

methyl (1R,3S,4S,5S)-spiro[adamantane-2,2'-[1,3]dioxolane]-4-carboxylate-4-d

(-)-(1R,3S)-4(R)(a)-methyl-2-cyclopropylideneadamantane

(1R,3S)-syn-4(a)-methyladamantane-2(a)-ol