6,6',7,7'-Tetrahydroxy-3,3'-dimethyl-2,2'-diacetoxy-5,5'-bis(1-methylethyl)-[2,2'-binaphthalene]-, 8,8'-dicarbonitrile 94242-60-1 AIDS-003522 AIDS003522 Gossylic nitrile-1,1'-diacetate Gossypol deriv.