00343nam a2200145Ia 4500008004100000020002200041082000800063082001000071100001700081245005100098260001200149260001200161260000900173999001500182230118s9999||||xx |||||||||||||| ||und||  a978-81-775-8433-2  a547  bSYK/A  apeterbsykes 2aa guide book to mechanism in organic chemistry  achennai  bpearson  c1986  c5802d5802