| 1 | 5402-21-1 | 3-吡啶磺酸-N-氧化物 | NSC 5083 | C5H5NO4S
| | |
| 2 | 51498-37-4 | 4-羟基-3-吡啶磺酸 | Hydroxypyridinesulfonicacid | C5H5NO4S
| 合成;系列1;有机化学;医药、农药及染料中间体 | 医药 |
| 3 | 5402-22-2 | pyridine-4-sulfonic acid 1-oxide | pyridine-4-sulfonic acid 1-oxide | C5H5NO4S
| | |
| 4 | 139263-48-2 | 5-羟基吡啶-2-磺酰酸 | 5-HYDROXYPYRIDINE-2-SULFONIC ACID | C5H5NO4S
| | |
| 5 | 6684-46-4 | 6-羟基吡啶-3-磺酰酸 | 6-HYDROXY-3-PYRIDINESULPHONIC ACID | C5H5NO4S
| | |
| 6 | | 2,4-DIHYDROXYTHIAZOLE-5-ACETIC ACID | 2,4-DIHYDROXYTHIAZOLE-5-ACETIC ACID | C5H5NO4S
| | |
| 7 | 31061-24-2 | (试剂)(2,4-DIOXO-1,3-THIAZOLIDIN-3-YL)ACETIC ACID | (2,4-DIOXO-1,3-THIAZOLIDIN-3-YL)ACETIC ACID | C5H5NO4S
| | |
| 8 | 61689-40-5 | 1,3,4-OXATHIAZOLE-5-CARBOXYLIC ACID, 2-OXO-, ETHYL ESTER | 1,3,4-OXATHIAZOLE-5-CARBOXYLIC ACID, 2-OXO-, ETHYL ESTER | C5H5NO4S
| | |