PN: P612-A-89
CAS: 4595-61-3
Molecule Weight: 124.099
Formula: C5H4N2O2
PN: 4H23-1-04
CAS: 34253-01-5
Molecule Weight: 138.126
Formula: C6H6N2O2
PN: 4H53-1-26
CAS: 23945-44-0
Molecule Weight: 156.097
Formula: C5H4N2O4
TSCA: Not listed on TSCA inventory