CAS NO.:128-08-5 Formula:C4H4BrNO2 Molecular Weight:177.98
CAS NO.:16079-88-2
Formula:C5H6O2N2BRCl
Molecular Weight:241.49
CAS NO.:118-52-5
Formula:C5H6O2N2Cl2
Molecular Weight:197.04
CAS NO.:77-48-5
Formula:C5H6O2N2Br2
Molecular Weight:285.94
Formula:C5H6O2N2 Br2