CAS: 73-24-5 EC No: 200-796-1 MDL No: MFCD00041790 RTECS: AU6125000 UN No: UN2811; Haz Class: 6.1; Packing Group: III Powder Molecular Formula: C₅H₅N₅ MW: 135.13 Melting Point: >360°

CAS: 56-04-2 EC No: 200-252-3 MDL No: MFCD00006040 RTECS: YR0875000 Powder Molecular Formula: C₅H₆N₂OS MW: 142.18 Melting Point: 330° (decomposes)

CAS: 66-22-8 EC No: 200-621-9 MDL No: MFCD00006016 RTECS: YQ8650000 Powder Molecular Formula: C₄H₄N₂O₂ MW: 112.09 Melting Point: >300°

CAS: 58-61-7 EC No: 200-389-9 MDL No: MFCD00005752 RTECS: AU7175000 Solid Molecular Formula: C₁₀H₁₃N₅O₄ MW: 267.24 Melting Point: 234-236°