| 5657-17-0 | Ethylenediamine-N,N'-diacetic acid | C6H12 N2 O4 |
| 5657-41-0 | 4-(carbamoylamino)benzenesulfonamide | C7H9 N3 O3 S |
| 5657-05-6 | N-ethylguanidinoacetate | C5H11 N3 O2 |
| 5657-08-9 | Glycine, N-carboxy- | C3H5 N O4 |
| 5657-19-2 | N-(2-FUROYL)GLYCINE | C7H7 N O4 |
| 5657-36-3 | Urea, N-9H-purin-6-yl- | C6H6 N6 O |