preferred_name: trichloroethene + AH2 = (Z)-1,2-dichloroethene + chloride + A + H(+)
preferred_name_lc: trichloroethene + ah2 = (z)-1,2-dichloroethene + chloride + a + h(+)
label: trichloroethene + AH2 = (Z)-1,2-dichloroethene + chloride + A + H(+)
label_lc: trichloroethene + ah2 = (z)-1,2-dichloroethene + chloride + a + h(+)