00463nam a22001577a 450000500170000001000160001702000260003303500140005903700130007308200110008610000210009724500870011826000330020527000460023830000210028420231108122341.0  aENG -138283  a9789384294700c975.00  aEN-121815  bDBAD/PUB  a54721  aKar Ratan Kumar   aName Reactions and Rearragements in Organic Chemistry cRatan Kumar Kar hEnglish   aKolkatabArunabha Sen c2016  a8/1Chintamoni Dash Lane,bKolkatae700009  a1209p.c26cm pbk