... Volume 25, Issue 31, 1984, Pages 3355-3358. Cover image. ... Download full text in PDF. 1 2 3 4 RRRRIH =0 H II H OH HH Ill H OH H Me Me OH H Me Tetrahedron Letters,Vol.25,No.31,pp 3355-3358,1984 0040039/84 $3.00 + .00 Printed in Great Britain 984 Pergamon Press Ltd. ...