http://64188.org/story.php?title=wo-new-pyridoacridine-alkaloids-didemethylaminocycloshermilamine-d-and-demethyldeoxyamphimedine-had-been-i Wo new pyridoacridine alkaloids, didemethylaminocycloshermilamine D , and demethyldeoxyamphimedine had been i Sun, 29 Jan 2023 03:05:07 UTC en