preferred_name: testololactone + A + H2O => androst-4-ene-3,17-dione + AH2 + O2
preferred_name_lc: testololactone + a + h2o => androst-4-ene-3,17-dione + ah2 + o2
label: testololactone + A + H2O => androst-4-ene-3,17-dione + AH2 + O2
label_lc: testololactone + a + h2o => androst-4-ene-3,17-dione + ah2 + o2