"5beta-cholestane-3alpha,7alpha-diol 12alpha-hydroxylase"
"5beta-cholestane-3alpha,7alpha-diol 12alpha-hydroxylase"
"7alpha-hydroxy-4-cholesten-3-one 12alpha-monooxygenase"
"7alpha-hydroxy-4-cholesten-3-one 12alpha-monooxygenase"