3,9-Di(cyclohex-3-en-1-yl)-2,4,8,10-tetraoxaspiro[5.5]undecane
2-((Allyloxy)carbonyl)-8-(tert-butoxycarbonyl)-2,8-diazaspiro[4.5]decane-3-carboxylic acid
8-Methylene-1,4-dioxaspiro[4.5]decane
Ethyl 2-(1,4-dioxaspiro[4.5]decan-8-ylidene)acetate
7,9-Dichloro-5',5'-dimethyl-2-phenyl-1,10b-dihydrospiro[benzo[e]pyrazolo[1,5-c][1,3]oxazine-5,1'-cyclohex[2]en]-3'-ol
9-Bromo-2-(4-fluorophenyl)-5',5'-dimethyl-1,10b-dihydrospiro[benzo[e]pyrazolo[1,5-c][1,3]oxazine-5,1'-cyclohex[2]en]-3'-ol
2-(1,4-Dioxaspiro[4.5]decan-8-ylidene)acetonitrile
8-tert-Butyl 2-methyl 8-azaspiro[4.5]dec-1-ene-2,8-dicarboxylate
(1'S,6'R)-2',4,6-Trimethoxy-6'-methyl-3H-spiro[benzofuran-2,1'-cyclohex[2]ene]-3,4'-dione
3-(1,4-Dioxaspiro[4.5]dec-7-en-8-yl)-1H-indole
5-Bromo-3-(1,4-dioxaspiro[4.5]dec-7-en-8-yl)-1H-indole
5-Methoxy-3-(1,4-dioxaspiro[4.5]dec-7-en-8-yl)-1H-indole
1-Azaspiro[4.4]non-7-ene hydrochloride
1,2,3,5-Tetrahydrospiro[benzo[b]azepine-4,1-cyclopent[2]ene]-3'-carboxylic acid
tert-Butyl 2-azaspiro[4.4]non-7-ene-2-carboxylate
Ethyl 4-(5-((7,9-dioxo-6,10-dioxaspiro[4.5]decan-8-ylidene)methyl)furan-2-yl)benzoate
Ethyl 4-aminospiro[cyclohex[3]ene-1,9'-fluorene]-3-carboxylate
3'-Hydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-6'-yl methacrylate
7-Allyl-1,3-diazaspiro[4.4]nonane-2,4-dione
1,4-Dioxaspiro[4.4]non-6-ene
