I worked in Bioanalytical method development and validation of two drugs, Paracetamol (PCM) and Pamabrom (PAMA), the multiple reaction monitoring (MRM) of the transitions m/z 152.10→110.10 for PCM in positive mode, m/z 256.90→199.90 for PAMA. PCM fragmentation pattern was easily understood, but PAMA fragmentation pattern was not clear and it is also not available in Review of literature. can anybody try and explain????