Synonyms: 5a-Pregnane-11,20-dione, 3b,17,21-trihydroxy- (7CI,8CI); 3b,17,21-Trihydroxy-5a-pregnane-11,20-dione; 3b,17a,21-Trihydroxy-5a-pregnane-11,20-dione; Allopregnane-3b,17a,21-triol-11,20-dione; Kendall's compound G;Reichstein's substance D; Wintersteiner's compound B