· PDF file23. Aromatic nitrile compound absorb IR frequency at around (A) 2850-2950 cm-I...
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· PDF file23. Aromatic nitrile compound absorb IR frequency at around (A) 2850-2950 cm-I L(-B-) ... Pethidine is a derivative of Piperidine (B) Piperazine (C) Pyridine