CAS Number: 1622-61-3
Formula: C15H10ClN3O3
Molecular Weight: 315.711
Method of Analysis: BP
CAS Number: 28981-97-7
Formula: C17H13ClN4
Molecular Weight: 308.765
Method of Analysis: USP 41
CAS Number: 129722-12-9
Formula: C23H27Cl2N3O2
Molecular Weight: 448.385