N-butyl-N-methyl-11-(3'-hydroxy-21'-17'-carbolactone-19'-nor-17'- alpha-pregna-1',3',5'(10')-trien-7' alpha-yl)-undecanamide
n-butyl-n-methyl-11-(3'-hydroxy-21'-17'-carbolactone-19'-nor-17'- alpha-pregna-1',3',5'(10')-trien-7' alpha-yl)-undecanamide