(2,2'-Binaphthalene)-8,8'-dicarbonitrile, 1,1'-bis(acetyloxy)-6,6',7,7'-tetrahydroxy-3,3'-dimethyl-5,5'-bis(1-methylethyl)- 94242-60-1 GN-1,1-DA Gossylic nitrile-1,1'-diacetate