00414nam a22001217a 4500020001000000082001300010100001400023245003500037260003500072300003500107500003300142650011700175  a(pbk)  a547bYOU  aM. Younis  aTextbook of  organic chemistry  aLahorebIlmi Kitab Khanac2021  axv, 669 p.b: ill.c; 23.5 cm.  aIncludes appendix and index.  aOrganic Chemistry aChemistry vSaturated hydrocarbons vChemical industriesvBlock elements vHydrocarbonvFBSH