div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: · 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 src=https:reader031vdocumentsnetreader031viewer20220204115aa23af97f8b9ac67a8cd4e0html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: · 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 src=https:reader031vdocumentsnetreader031viewer20220204115aa23af97f8b9ac67a8cd4e0html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: · 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 src=https:reader031vdocumentsnetreader031viewer20220204115aa23af97f8b9ac67a8cd4e0html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: · 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 src=https:reader031vdocumentsnetreader031viewer20220204115aa23af97f8b9ac67a8cd4e0html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: · 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 src=https:reader031vdocumentsnetreader031viewer20220204115aa23af97f8b9ac67a8cd4e0html5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 6button div class=ts-image amp-img class=ts-thumb alt=Page 6: · 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 src=https:reader031vdocumentsnetreader031viewer20220204115aa23af97f8b9ac67a8cd4e0html5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 7button div class=ts-image amp-img class=ts-thumb alt=Page 7: · 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 src=https:reader031vdocumentsnetreader031viewer20220204115aa23af97f8b9ac67a8cd4e0html5thumbnails7jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 8button div class=ts-image amp-img class=ts-thumb alt=Page 8: · 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 src=https:reader031vdocumentsnetreader031viewer20220204115aa23af97f8b9ac67a8cd4e0html5thumbnails8jpg width=142 height=106 layout=responsive amp-img divdiv