div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader043vdocumentsmxreader043viewer2022020311575003551a28ab11489892f2html5page1jpg target=_blank img data-url=cheminform-abstract-five-membered-monoheterocyclic-compounds-amaryllidaceaehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: ChemInform Abstract: Five-Membered Monoheterocyclic Compounds Amaryllidaceae Alkaloids loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsmxreader043viewer2022020311575003551a28ab11489892f2html5thumbnails1jpg width=140 height=200 adivp1997 organic chemistry reviewp porganic chemistry reviewZ 0200p p49 - 331Five-Membered Monoheterocyclic Compounds Amaryllidaceae Al-kaloids — 100 refs — LEWIS J R Rodd’s Chem Carbon Compd2nd Ed 4 1997 PtB 165-249 Neth ENp p1pdiv