(+)-4-azido-tetrahydro-2,2-dimethylcyclopenta-1,3-dioxol-4-propanic acid ethyl ester

(+)-(2’R,3aR,6aS)-tetrahydro-2,2-dimethylspiro[4H-cyclopenta-1,3-dioxole-4,2’-pyrrolidin]-5’-one

(3aR,4S,6aS)-2,2-dimethyltetrahydrospiro[cyclopenta[d][1,3]dioxole-4,2'-pyrrolidine]

(+)-(2’S,3aR,6aS)-tetrahydro-1’-[2-(6-iodo-1,3-benzodioxol-5-yl)ethyl]-2,2-dimethylspiro[4H-cyclopenta-1,3-dioxole-4,2’-pyrrolidine]#10;

(5S,6R,7S)-1-(2-(6-iodobenzo[d][1,3]dioxol-5-yl)ethyl)-1-azaspiro[4.4]nonane-6,7-diol