cyclohex-3-ene-1,2-diol => 3,4-epoxy-1-cyclohexene + H2O
cyclohex-3-ene-1,2-diol => 3,4-epoxy-1-cyclohexene + h2o
cyclohex-3-ene-1,2-diol => 3,4-epoxy-1-cyclohexene + H2O
cyclohex-3-ene-1,2-diol => 3,4-epoxy-1-cyclohexene + h2o