| 2-hydroxy-4-(((phenylamino)thioxomethyl)amino)-benzoic aci |
| 2-hydroxy-4-(((phenylamino)thioxomethyl)amino)benzoic acid |
| n-phenyl-n'-4-carboxy-5-hydroxyphenylthiourea |
| p-phenylthioureidosalicylic acid |
| ptu 20 |
| 4-(3-phenyl-2-thioureido)-salicylic aci |
| u 1238 |
