(1R,4aS,10aR)-7-Isopropyl-1,4a-dimethyl-6-sulfo-1,2,3,4,4a,9,10,10a-octahydrophenanthrene-1-carboxylic acid

(1R,4aS,10aR)-7-Isopropyl-1,4a-dimethyl-6-sulfo-1,2,3,4,4a,9,10,10a-octahydrophenanthrene-1-carboxylic acid