(3alpha,5beta,7alpha,12alpha)-3,7,12-Trihydroxycholestane-5-carboxylic acid 3,7,12-trihydroxycoprostanic acid 3alpha,7alpha,12alpha-Trihydroxy-5beta-cholestanoic acid 3alpha,7alpha,12alpha-Trihydroxycoprostanic acid 5-Thca 863-39-8