00289nam a2200109Ia 4500008004100000082001700041100002800058245005000086250000900136260002600145300000800171240913s9999||||xx |||||||||||||| ||und|| a547.2 NOR/P aR.O.C.Norman ,J.M.Coxon 0aPrinciples of Organic Synthesis Third Edition aNULL bCRC PressaNULLc2017 a811