Text this: STUDIES IN CARBOTRICATIONS: PREPARATION AND CARBON-13 NUCLEAR MAGNETIC RESONANCE SPECTROSCOPIC STUDY OF 3,7,9-TRIHYDRO TETRACYCLO [3.3.1. 0 . 0 ] NONANE-3,7,9 TRIYLTRICATION: A TRIPROTONATED TETRACYCLO-[3.3.1.0 . 0 ] NONANE-3,7,9-TRIONE AND ATTEMPTED PREPARATION OF RELATED TRICATIONS