CAS Number: 38677-81-5
Chemical Name: Pirbuterol
Molecular Formula: C12H20N2O3
Molecular Weight: 240.30

CAS Number: 64856-15-1
Chemical Name: Pirbuterol-d9 Dihydrochloride
Molecular Formula: C12H13D9Cl2N2O3
Molecular Weight: 322.28