| S0001 | 2-氨基-5-巯基-1,3,4-噻二唑 | 5-Amino-1,3,4-thiadiazole-2-thiol | 2349-67-9 |
| S0002 | 2-氯噻吩-5-甲酸 | 5-Chlorothiophene-2-carboxylic Acid | 24065-33-6 |
| S0003 | 2-氨基-1,3,4-噻二唑 | 2-Amino-1,3,4-thiadiazole | 4005-51-0 |
| S0004 | 2-羟基-4-甲硫基丁酸 | 2-hydroxy-4-(methylmercapto)butyricacid | 583-91-5 |
| S0005 | 2-噻吩乙醇 | 2-Thiopheneethanol | 5402-55-1 |