Guan, Jing Three new biflavonoids from Chinese dragon's blood, Dracaena cochinchinensis. [electronic resource] - Natural product communications May 2012 - 591-4 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1934-578X Subjects--Topical Terms: Biflavonoids--chemistryDracaena--chemistryMagnetic Resonance SpectroscopyPlant Extracts--analysisSpectrometry, Mass, Electrospray Ionization