00434nam a22001577i 4500001001000000005001700010008004100027082001900068100002700087245006200114250001000176260003300186300001700219650002200236020001800258SXC01087920260819093510.0260101s1976    ii            000 0 eng d  a547 PUR-P6222  aPuri, B R; Sharma, L R10aPrinciples of organic chemistry /cPuri, B R; Sharma, L R  a6 ed.  abS Nagin & Co, Delhi,c1976  ap. ;c22 cm. 0aOrganic chemistry  a9780435656430