Acknowledgment. We thank Dr. JM Muchowski, Dr. MC Venuti, and Dr. S. Branz for much helpful discussion on various aspects of this work. The technical assistance of Dr. M. Maddox, L. Kurz, and L. Lightman, as well as other members of Syntex Analytical Research, is gratefully acknowledged. ... NMR (CDC13) 6 3.17 (9, 1 H, OH), 3.30 (5, 1 H, OH), 6.15 (9, 1 ... Registry No. 1, 81740-17-2; 2, 81740-18-3; 3, 1629-15-8; 7, 81740-19-4; 8, 81740-20-7; 9, ...