00545nam a22001817a 4500003000600000005001700006008004100023020001800064040002000082082001500102100001700117245005700134260005800191300005000249500001800299650002300317650002300340GCWUF20220426224935.0171215b        xxu||||| |||| 00| 0 eng d  a9789386070661  aMAINbENGcMAIN  a547.2bKAL  aKalsi, P. S.  aOrganic reactions and their mechanismscKalsi, P. S.  aNew Delhi :bNew Age International Publishers,c2017.  axxiii,740 p. :billustrations ;c24 cm.fP.B.  aInclude Index  2Chemical reactions  2Chemistry, Organic