A new alkamide from Piper sylvaticum

A new alkamide from Piper sylvaticum New Amide Alkaloids from the Roots of Piper nigrum An amide from fruits of Piper nigrum Isopiperolein B: an alkamide from Piper nigrum Isolation and identification of amides from Piper callosum. Synthesis of pipercallosine and pipercallosidine Chromatographic isolation of insecticidal amides from Piper guineense root Amides from Piper brachystachyum and Piper retrofractum Isobutylamides from Piper ridleyi A new amide alkaloid from the leaves ofPiper sarmentosum Isobutylamides and a New Methylbutylamide from<i>Piper sarmentosum</i>