CAS:1783-96-6 Molecular formula:C4H7NO4 Molecular weight:133.10268
CAS:150-30-1 Molecular formula:C9H11NO2 Molecular weight:165.18914
CAS:63-91-2 Molecular formula:C9H11NO2 Molecular weight:165.189142465591
CAS:52-89-1 Molecular formula:C3H7NO2S.HCl Molecular weight:157.61912
CAS:52-90-4 Molecular formula:C3H7NO2S Molecular weight:121.15818