| 1 | 6953-78-2 | 6-氧代-2-硫代-1,2,3,6-四氢嘧啶-4-羧酸 | 2-THIOOROTIC ACID | C5H4N2O3S
| | |
| 2 | | BUTTPARK 121\04-17 | BUTTPARK 121\04-17 | C5H4N2O3S
| | |
| 3 | | 2-thioisoorotic acid | 2-thioisoorotic acid | C5H4N2O3S
| | |
| 4 | | 2-Nitro-4-carbamoylthiophene | 2-Nitro-4-carbamoylthiophene | C5H4N2O3S
| | |
| 5 | 23945-50-8 | 4-羟基-2-巯基-5-嘧啶甲酸 | 2-THIOURACIL-5-CARBOXYLIC ACID | C5H4N2O3S
| 嘧啶 | |
| 6 | 73150-67-1 | 氨基噻唑乙醛酸 | 2-amino-α-oxothiazol-4-acetic acid | C5H4N2O3S
| 原料药 | |
| 7 | | 2-Nitrothiophene-5-carbaldehydeoxime | 2-Nitrothiophene-5-carbaldehydeoxime | C5H4N2O3S
| | |
| 8 | 6890-84-2 | 氧代(1,3-三唑-2-基胺)乙酸 | OXO(1,3-THIAZOL-2-YLAMINO)ACETIC ACID | C5H4N2O3S
| | |
| 9 | 68935-72-8 | 5-AMINO-4-NITROTHIOPHENE-2-CARBALDEHYDE | 5-AMINO-4-NITROTHIOPHENE-2-CARBALDEHYDE | C5H4N2O3S
| | |
| 10 | 1537602-93-9 | 2-carbamoyl-1,3-thiazole-4-carboxylic acid | 2-carbamoyl-1,3-thiazole-4-carboxylic acid | C5H4N2O3S
| | |
| 11 | | 4-OXO-2-THIOXO-1,2,3,4-TETRAHYDRO-5-PYRIMIDINECARBOXYLICACID | 4-OXO-2-THIOXO-1,2,3,4-TETRAHYDRO-5-PYRIMIDINECARBOXYLICACID | C5H4N2O3S
| | |