AB-2
| Name | AB-2 |
| Chemical name | (1S,4R)-4-Amino-2-cyclopentene-1-methanol (2S,3S)-2,3-dihydroxybutanedioate (1:1) salt |
| Molecular structure | ![]() |
| Formula | C6H11NO•C4H6O6 |
| Weight | 263.244 |
| CAS No. | 229177-52-0 |
| Specification | |
| Use | Abacavir Intermediate |

