Lei, Hui [Study on chemical constituents from active fraction of Cynanchum versicolor]. [electronic resource] - Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials Oct 2014 - 1798-800 p. digital Publication Type: Journal Article ISSN: 1001-4454 Subjects--Topical Terms: Acetophenones--chemistryCynanchum--chemistryGallic Acid--analogs & derivativesPhytochemicals--chemistry