edited by JOHN H. WOTlZ Southern Illinois University Catbondale, Illinois 62901
Chirality, Diastereoisomerism, and the Narwhal
C. J. Stirling School of Physical a n d Molecular Sciences University College of North Wales Rangor, Gwynedd LL572UW, U.K. Instruction in stereochemistry presents t h e teacher with the orohlem of e s c a. ~ i..n from s a 2-dimensional format of the printed p;'gr:~nd