for the following products
(R,R)-N,N'-bis-(3,5-Di-tert-butylsalicylidene)-1,2-cyclohexanediaminochromium(III) chloride | (S,S)-N,N'-Bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediaminochromium(III) chloride and (1R,2R)-(-)-[1,2-Cyclohexanediamino-N,N'-bis-(3,5-di-tert-butylsalicylidene)]chromium (III) chloride
