(S)-2,3-epoxysqualene + H2O => lupan-3beta,20-diol
(s)-2,3-epoxysqualene + h2o => lupan-3beta,20-diol
(S)-2,3-epoxysqualene + H2O => lupan-3beta,20-diol
(s)-2,3-epoxysqualene + h2o => lupan-3beta,20-diol