preferred_name: protoaustinoid A + AH2 + O2 => berkeleyone A + A + H2O
preferred_name_lc: protoaustinoid a + ah2 + o2 => berkeleyone a + a + h2o
label: protoaustinoid A + AH2 + O2 => berkeleyone A + A + H2O
label_lc: protoaustinoid a + ah2 + o2 => berkeleyone a + a + h2o