Helmchen, G.; Hoffmann, R. W.; Mulzer, J.; Schaumann, E.; Bohlmann, R. Stereoselective SynthesisC—C Bond Formation by Addition to C=C, Cycloaddition Reactions, Ene - Thieme Medical Publisher Pvt. Ltd. 1995 ISBN: 9783131969743 Source: EBOOK Subjects--Topical Terms: Chemistry