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