methyl 2-(acetyloxy)-4-[(3S,8S,9S,10R,13S,14S,17S)-3-(acetyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-4-oxobutanoate (non-preferred name)