CAS Number: 5424-06-6
Chemical Name: 3-Amino-1,2,4-benzotriazine-1-N-oxide
Molecular Formula: C7H6N4O
Molecular Weight: 162.15

CAS Number: 27314-97-2
Chemical Name: Tirapazamine
Molecular Formula: C7H6N4O2
Molecular Weight: 178.15