| 89378-39-2 | 1H-Pyrrole-1,2-dicarboxylic acid, 3,5-dimethyl-, 1-(1,1-dimethylethyl) 2-ethyl ester | C14H21NO4 |
| 89378-40-5 | 1H-Pyrrole-1,2,4-tricarboxylic acid, 3,5-dimethyl-, 1-(1,1-dimethylethyl) 2,4-diethyl ester | C17H25NO6 |
| 89378-41-6 | 1H-Pyrrole-1,2-dicarboxylic acid, 4-nitro-, 1-(1,1-dimethylethyl) 2-(phenylmethyl) ester | C17H18N2O6 |
| 89378-42-7 | 1H-Pyrrole-1,2-dicarboxylic acid, 4-[[(1,1-dimethylethoxy)carbonyl]amino]-, 1-(1,1-dimethylethyl) 2-(phenylmethyl) ester | C22H28N2O6 |