3-alpha-Ethoxycarbonyl-12-alpha-hydroxy-7-oxocholan-24-oic acid, methyl ester 73771-71-8 Cholan-24-oic acid, 3-alpha-ethoxycarbonyl-12-alpha-hydroxy-7-oxo-, methyl ester Methyl 3-alpha-carbethoxy-12-alpha-hydroxy-7-ketocholanate