Pullin, Robert D C Silenes in organic synthesis: a concise synthesis of (+/-) -epi-picropodophyllin. [electronic resource] - Organic & biomolecular chemistry Oct 2007 - 3201-6 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1477-0520 Standard No.: 10.1039/b710370k doi Subjects--Topical Terms: Podophyllotoxin--analogs & derivativesSilene--chemistryStereoisomerism