| 1-(5-nitrofurfurylidene)-2-semicarbazidoacetic aci |
| 1-(5-nitrofurfurylidene)-2-semicarbazidoacetic acid |
| (1-carbamoyl-2-(5-nitrofurfurylidene)hydrazino)-acetic aci |
| 3-(5-nitrofurfurylideneamino)-hydantoic aci |
| kwas n-(5-nitro-2-furfurylideno)-2-semikarbazydooctowy |
