114577-02-5 3-alpha,17-alpha-Dihydroxy-6-beta,7-beta-epoxypregn-4-ene-21-carboxylic acid gamma-lactone 3-alpha-Hydroxy-6-beta,7-beta-epoxy-canrenone Pregn-4-ene-21-carboxylic acid, 3,17-dihydroxy-6,7-epoxy-, gamma-lactone, (3-alpha,6-beta,7-beta,17-alpha)-