| SL00994 | 西他列汀甲酯杂质 | (R)-Sitagliptin Methyl-Ester Impurity | 881995-69-3 |
| SL01211 | 西格列汀 | Rac-Sitagliptin | 823817-56-7 |
| SL01280 | 西格列汀杂质24 | (R)-Sitagliptin Tablets EP Impurity FP-B | 2088771-61-1 |
| SL01556 | 西他列汀-D4 磷酸盐 | Sitagliptin-d4 Phosphate | 1432063-88-1 |
| SL01609 | 西格列汀-d4盐酸盐 | Sitagliptin-d4 hydrochloride |