Synonyms: (-)-4,5-Bis[(2R,5R)-2,5-dimethylphospholano]-1,2-dihydro-1,2-dimethyl-3,6-pyridazinedione(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate;catASium(R) MNN(R)Rh, {4,5-Bis[(2R,5R)-2,5-dimethylphospholanyl]-1,2-dimethyl-1,2-dihydropyridazine-3,6-dione}(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate