preferred_name: 2,2-dihydroxyspirilloxanthin => 2-oxospirilloxanthin + H2O
preferred_name_lc: 2,2-dihydroxyspirilloxanthin => 2-oxospirilloxanthin + h2o
label: 2,2-dihydroxyspirilloxanthin => 2-oxospirilloxanthin + H2O
label_lc: 2,2-dihydroxyspirilloxanthin => 2-oxospirilloxanthin + h2o