| n-((p-nitrophenyl)carbamoyl)-beta-alanin sodium salt |
| 1-(2-carboxyethyl)-3-(p-nitrophenyl)urea sodium salt |
| n-(((4-nitrophenyl)amino)carbonyl)-beta-alanin monosodium salt |
| n-(((4-nitrophenyl)amino)carbonyl)-beta-alanine monosodium salt |
| n-(p-nitrophenyl)-n'-(beta-carboxyethyl)urea sodium salt |
| n-(p-nitrophenylcarbamoyl)-beta-alanine sodium salt |
| p-nitrophenylcarbamidopropionic acid sodium salt |
| suosan |
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