CAS:147-85-3 Molecular formula:C5H9NO2 Molecular weight:115.13046
CAS:344-25-2 Molecular formula:C5H9NO2 Molecular weight:115.13046
CAS:73-22-3 Molecular formula:C11H12N2O2 Molecular weight:204.22518
CAS:153-94-6 Molecular formula:C11H12N2O2 Molecular weight:204.22518
CAS:556-03-6 Molecular formula:C9H11NO3 Molecular weight:181.18854