| CHEM168138 | Tert-butyl 8-oxo-2,7-diazaspiro[4.4]nonane-2-carboxylate CASNot Available | C12H20N2O3 monoisotopic mass240.147 Avg mass240.300 | | |
| CHEM168140 | Tert-butyl 1-oxo-2,7-diazaspiro[4.4]nonane-7-carboxylate CASNot Available | C12H20N2O3 monoisotopic mass240.147 Avg mass240.300 | | |
| CHEM168141 | Tert-butyl 2-oxo-1,7-diazaspiro[4.4]nonane-7-carboxylate CASNot Available | C12H20N2O3 monoisotopic mass240.147 Avg mass240.300 | | |
| CHEM168588 | Tert-butyl 2,7-diazaspiro[4.4]nonane-2-carboxylate CASNot Available | C12H22N2O2 monoisotopic mass226.168 Avg mass226.320 | | |
| CHEM168596 | Tert-butyl 1,7-diazaspiro[4.4]nonane-1-carboxylate CASNot Available | C12H22N2O2 monoisotopic mass226.168 Avg mass226.320 | | |
| CHEM168601 | Tert-butyl 1,7-diazaspiro[4.4]nonane-7-carboxylate CASNot Available | C12H22N2O2 monoisotopic mass226.168 Avg mass226.320 | | |
| CHEM180317 | 2-benzyl-2,7-diazaspiro[4.4]nonane CASNot Available | C14H20N2 monoisotopic mass216.163 Avg mass216.320 | | |