CAS Number: 1276197-54-6
Chemical Name: (S)-Pregabalin-d4
Molecular Formula: C8H13D4NO2
Molecular Weight: 163.25

CAS Number: 1189980-48-0
Chemical Name: rac-Pregabalin-13C3
Molecular Formula: C513C3H17NO2
Molecular Weight: 162.20