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: 14631-20-0 MDL No: MFCD00134466 Powder Molecular Formula: C₆H₇N₃O₂ MW: 153.14 Melting Point: >300°

CAS: 58-96-8 EC No: 200-407-5 MDL No: MFCD00006526 RTECS: YR1450000 Crystalline Molecular Formula: C₉H₁₂N₂O₆ MW: 244.20 Melting Point: 163-167°

CAS: 71-30-7 EC No: 200-749-5 MDL No: MFCD00006034 RTECS: UW7350150 Powder Molecular Formula: C₄H₅N₃O MW: 111.10 Melting Point: >300°

CAS: 6642-31-5 EC No: 229-662-0 MDL No: MFCD00006552 RTECS: YQ8755000 Powder Molecular Formula: C₆H₉N₃O₂ MW: 155.15 Melting Point: 295° (decomposes)

CAS: 611-08-5 EC No: 210-250-4 MDL No: MFCD00006021 RTECS: UV9104545 Powder Molecular Formula: C₄H₃N₃O₄ MW: 157.08 Melting Point: >300°

CAS: 6055-72-7 MDL No: MFCD00150864 Powder Molecular Formula: C₅H₅N₅·HCl·xH₂O MW: 171.59 (anhydrous) Melting Point: 289-291° (decomposes)