00293nam a2200121Ia 4500008004100000020001800041041000800059100002700067245003700094250001300131260001800144300000900162211209s2018    xx            000 0 und d  a9789352531967  aeng  aBAHI,B S AND BHHL,ARUN  aA TEXTBOOK OF ORGANIC CHEMISTRY   a22ND ed.  bS CHANDc2018  a1108