Nonylene bisestradiol (25 mg) (8R,8'R,9S,9'S,13S,13'S,14S,14'S,17S,17'S)-7,7'-(nonane-1,9-diyl)bis(13-methyl-7,8,9,11,12,13,14,15,16 ,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol) 1 * 25 mg