Long range 13C-1H heteronuclear multiple bond correlations were made using Varian pulse program gHMBCAD with 8 Hz multiple bond selection, one bond (130 to 165 Hz) suppression, 512 F1 increments and 16 scans. Carbons 3 covalent bonds away from a specific hydrogen are detected indirectly by quantum (scalar coupling) interactions (J = 8 Hz).