CAS: 51-21-8 EC No: 200-085-6 MDL No: MFCD00006018 RTECS: YR0350000 UN No: UN2811; Haz Class: 6.1; Packing Group: III Powder Molecular Formula: C₄H₃FN₂O₂ MW: 130.08 Melting Point: 282-286° (decomposes)

CAS: 10310-21-1 EC No: 233-686-7 MDL No: MFCD00075252 RTECS: UO7502000 Powder Molecular Formula: C₅H₄ClN₅ MW: 169.57

CAS: 1214-39-7 EC No: 214-927-5 MDL No: MFCD00005572 RTECS: UD3150000 Crystalline/Powder Molecular Formula: C₁₂H₁₁N₅ MW: 225.25 Melting Point: 230-233°