| 28136-55-2 | Cobalt,bis[(2,3-butanedione dioximato)(1-)-N,N'](1-cyanoethyl)(pyridine)-, (OC-6-12)-(9CI) | C16H23 Co N6 O4 |
| 28136-58-5 | Cobalt,bis[[2,3-butanedione di(oximato-kN)](1-)](pyridine)(trifluoromethyl)-, (OC-6-12)- (9CI) | C14H19 Co F3 N5 O4 |
| 28136-94-9 | 2-Chlorosantonin | C15H17 Cl O3 |