CAS:640-68-6 Molecular formula:C5H11NO2 Molecular weight:117.14634
CAS:51-35-4 Molecular formula:C5H9NO3 Molecular weight:131.129861593246
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