preferred_name: pregna-4,9(11)-diene-3,20-dione + AH2 + O2 = 9,11alpha-epoxypregn-4-ene-3,20-dione + A + H2O
preferred_name_lc: pregna-4,9(11)-diene-3,20-dione + ah2 + o2 = 9,11alpha-epoxypregn-4-ene-3,20-dione + a + h2o
label: "steroid 9alpha-hydroxylase"
label_lc: "steroid 9alpha-hydroxylase"