(R)-Alpine borane 9-[(1R,2S,3R,5R)-2,6,6-Trimethylbicyclo[3.1.1]hept-3-yl]-9-borabicyclo[3.3.1]nonane 9-Borabicyclo[3.3.1]nonane, 9-(2,6,6-trimethylbicyclo[3.1.1]hept-3-yl)-, [1R-(1α,2β,3α,5α)]- 9-Borabicyclo[3.3.1]nonane, 9-[(1R,2S,3R,5R)-2,6,6-trimethylbicyclo[3.1.1]hept-3-yl]- Midland's reagent Reagents, Midland's