Synonyms: RAC-ETHYLENEBIS-(4,5,6,7-TETRAHYDRO-1-INDENYL)-ZIRCONIUM(IV)-(1,1'-BINAPHTHYL-2);[(S,S)-ETHYLENEBIS(4,5,6,7-TETRAHYDRO-1-INDENYL)]ZIRCONIUM(IV)-(R)-1,1'-BINAPHTH-2-OLATE;(S,S)-ETHYLENEBIS-(4,5,6,7-TETRAHYDRO-1-INDENYL)-ZIRCONIUM(IV)-(S)-(1,1'-BINAPHTHYL-2);[(R,R)-(-)-Ethylenebis(4,5,6,7-tetrahydro-1-indenyl)]zirconium(IV)-(R)-1,1'-bi-2-naphtholate, 97%;[1,1'-binaphthalene-2,2'-diolato(2-)-κ2O2,O2']zirconium - (1'S)-1,1'-ethane-1,2-diylbis-4,5,6,7-tetrahydro-1H-indene (1:1);[1,1'-binaphthalene-2,2'-diolato(2-)-κ2O2,O2']zirconium - (1'R)-1,1'-ethane-1,2-diylbis-4,5,6,7-tetrahydro-1H-indene (1:1)