Article Preparation, crystal structure and mechanism of formation of a novel dinuclear carbopentazane complex, [Rh2(PPh3)4{(NH2NH)2CH2}][NO3]2 Jan 01, 1996 J. Chem. Soc., Dalton Trans. (1996), (1), 61-7
Patent Rhodium hydrogenation catalysts particularly for stereoselective hydrogenation of methacycline to doxycycline Jan 01, 1989 EP 283616