
| Product Code: DH/SGN/1005 | Molecular Formula: C18H17F6N5O2 |
| CAS Number: 1379666-94-0 | Molecular Weight: 449.35 |
Synonyms: 7-[(3R)-3-[(N-Acetyl)Amino]-1-oxo-4-(2,4,5-trifluorophenyl)butyl]-5,6,7,8-tetrahydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine;

| Product Code: DH/SGN/1006 | Molecular Formula: C6H7F3N4•HCl |
| CAS Number: 762240-92-6 | Molecular Weight: 228.6 |
Synonyms: 3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine Hydrochloride

| Product Code: DH/SGN/1008 | Molecular Formula: C16H12F6N4O |
| CAS Number: 1253056-18-6 | Molecular Weight: 390.28 |
Synonyms: (2E)-1-[3-(Trifluoromethyl)-5,6-dihydro[1,2,4] triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)but-2-en-1-one.

| Product Code: DH/SGN/1009 | Molecular Formula: C20H19F6N5O5 |
| CAS Number: 2088771-60-0 | Molecular Weight: 523.39 |
Synonyms: Sitagliptin Fumarate Adduct; Sitagliptin Maleate Adduct ; N-[(2R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-yl]aspartic acid ;

| Product Code: DH/SGN/1010 | Molecular Formula: C16H13F6N5O2 |
| CAS Number: 2088771-61-1 | Molecular Weight: 421.3 |
Synonyms: 10-(2,4,5-Trifluorobenzyl)-3-(trifluoromethyl)-6,7,10,11-tetrahydro-[1,2,4]triazolo[3,4-c][1,4,7]triazecine-8,12(5H,9H)-dione