BENZOIC ACID, 3,4,5-TRIS(PHENYLMETHOXY)-, (2R,2'R,3R,3'R,4R)-2,2'-BIS[3,4-BIS(PHENYLMETHOXY)PHENYL]-3,3',4,4'-TETRAHYDRO-5,5',7,7'-TETRAKIS(PHENYLMETHOXY)[4,8'-BI-2H-1-BENZOPYRAN]-3,3'-DIYL ESTER