1',3',3'-Trimethyl-6-nitrospiro[chromene-2,2'-indoline]-5',8-diol
8-(5-Nitropyridin-2-yl)-1,4-dioxa-8-azaspiro[4.5]decane
8-(4-Fluoro-2-nitrophenyl)-1,4-dioxa-8-azaspiro[4.5]decane
8-(4-(Ethylsulfonyl)-2-nitrophenyl)-1,4-dioxa-8-azaspiro[4.5]decane
4-(4-Nitrobenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid
8-(tert-Butyl)-4-(3-nitrobenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid
4-(4-Methyl-3-nitrobenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid
5'-Nitrospiro[cyclopropane-1,3'-indolin]-2'-one
8-(tert-Butyl)-4-(4-chloro-3-nitrobenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid
5-Chloro-6-nitrospiro[chroman-2,2'-indole]
8-(2-Nitro-4-(trifluoromethyl)phenyl)-1,4-dioxa-8-azaspiro[4.5]decane
4-(4-Chloro-3-nitrobenzoyl)-8-methyl-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid
3',6'-Dihydroxy-6-nitro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
tert-Butyl 5-nitrospiro[indoline-3,4'-piperidine]-1'-carboxylate
6'-Nitrospiro[cyclopropane-1,3'-indoline]
5-Nitro-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]
5-Nitro-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-2-one
6-Nitrospiro[chroman-2,2'-indole]
5-Nitrospiro[benzo[d][1,3]dioxole-2,1'-cyclohexane]
5-Nitrospiro[benzo[d][1,3]dioxole-2,1'-cyclopentane]
