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