preferred_name: lupan-3beta,20-diol <=> (S)-2,3-epoxysqualene + H2O
preferred_name_lc: lupan-3beta,20-diol <=> (s)-2,3-epoxysqualene + h2o
label: lupan-3beta,20-diol <=> (S)-2,3-epoxysqualene + H2O
label_lc: lupan-3beta,20-diol <=> (s)-2,3-epoxysqualene + h2o