title: Natural coumarins. VII. Isolation and structure of a new coumarin, peuruthenicin, from Peucedanum ruthenicum M.B.
mesh_terms: D002264:Carboxylic Acids / Q000138:chemical synthesis / Q000302:isolation & purification; D003374:Coumarins / Q000138:chemical synthesis / Q000302:isolation & purification*; D003653:Decarboxylation; D006868:Hydrolysis; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D008722:Methods; D008745:Methylation; D010944:Plants / Q000032:analysis; D013056:Spectrophotometry, Ultraviolet; D014468:Umbelliferones
chemical_list: D002264:Carboxylic Acids; D003374:Coumarins; D014468:Umbelliferones; C008821:peuruthenicin