| 81943-10-4 | 2,6-Pyridinedicarboxylic acid, 4-[[[(1S)-1-carboxy-3-methylbutyl]imino]ethylidene]-1,2,3,4-tetrahydro-, (2S,4E)- | C15H20N2O6 |
| 81943-16-0 | Pentanedioic acid, 3-hydroxy-3-methyl-, mono[2,3,5,7a-tetrahydro-7-(hydroxymethyl)-1H-pyrrolizin-1-yl] ester | C14H21NO6 |
| 81943-17-1 | Pentanedioic acid, 3-hydroxy-3-methyl-, mono[(2,3,5,7a-tetrahydro-1-hydroxy-1H-pyrrolizin-7-yl)methyl] ester | C14H21NO6 |