CAS Number: 68-89-3
Chemical Name: Metamizole Sodium
Molecular Formula: C13H16N3NaO4S
Molecular Weight: 333.34

CAS Number: 1672-58-8
Chemical Name: 4-Formylamino Antipyrine
Molecular Formula: C12H13N3O2
Molecular Weight: 231.25

CAS Number: 83-07-8
Chemical Name: 4-Aminophenazone
Molecular Formula: C11H13N3O
Molecular Weight: 203.24

CAS Number: 519-98-2
Chemical Name: 4-Methylaminophenazone
Molecular Formula: C12H15N3O
Molecular Weight: 217.27

CAS Number: 856307-27-2
Chemical Name: 4-Methylaminophenazone Hydrochloride
Molecular Formula: C12H15N3OClH
Molecular Weight: 253.73

CAS Number: 58-15-1
Chemical Name: 4-Dimethylamino Antipyrine
Molecular Formula: C13H17N3O
Molecular Weight: 231.29

CAS Number: 117-38-4
Chemical Name: 4-N-Desmethylmetamizole
Molecular Formula: C12H15N3O4S
Molecular Weight: 297.33