Excerpt from Stereochemistry<br><br>Since the arrangement Of atoms in space governs the physiological action of many drugs, it has been necessary to deal with the matter in some detail. In most works on stereo chemistry this part of the subject is treated in sections under the heads of the various classes of isomers; but, in the present volume, it seems better to consider the relations between stereochemistry and physiology in a more connected manner and the question has therefore been dealt with in Appendix A.<br><br>It may be well to impress on those who are beginning the study of stereochemistry, that the subject is made much more comprehensible if models be used instead of plane formulae or perspective drawings. In Appendix B, directions are given for the construction of several aids of this description.<br><br>About the Publisher<br><br>Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com<br><br>This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.