CAS: 53-86-1 EC No: 200-186-5 MDL No: MFCD00057095 UN No: UN2811; Haz Class: 6.1; Packing Group: I Solid Molecular Formula: C₁₉H₁₆ClNO₄ MW: 357.80 Melting Point: 158-161°

CAS: 133-32-4 EC No: 205-101-5 MDL No: MFCD00005664 RTECS: NL5250000 UN No: UN2811; Haz Class: 6.1; Packing Group: III Crystalline/Powder Molecular Formula: C₁₂H₁₃NO₂ MW: 203.24 Melting Point: 122-125°

CAS: 5794-88-7 EC No: 227-338-3 MDL No: MFCD00007823 RTECS: CB2557670 UN No: UN2811; Haz Class: 6.1; Packing Group: III Powder Molecular Formula: C₇H₅BrNO₂ MW: 216.03 Melting Point: 213-215°