| 920305-63-1 | 1H-Pyrrolo[2,3-b]pyridine-1,2-dicarboxylic acid, 2,3-dihydro-, 1-(1,1-dimethylethyl) 2-ethyl ester | C15H20N2O4 |
| 920305-65-3 | 1H-Pyrrolo[2,3-b]pyridine-1,2-dicarboxylic acid, 2,3-dihydro-, 1-(1,1-dimethylethyl) ester | C13H16N2O4 |
| 920305-67-5 | 1,7-Naphthyridine-6,7(6H)-dicarboxylic acid, 5,8-dihydro-, 7-(1,1-dimethylethyl) ester | C14H18N2O4 |
| 920305-69-7 | 1,6-Naphthyridine-6,7(5H)-dicarboxylic acid, 7,8-dihydro-, 6-(1,1-dimethylethyl) ester | C14H18N2O4 |