preferred_name: bromide + formaldehyde + chloride + 2 H(+) => bromochloromethane + H2O
preferred_name_lc: bromide + formaldehyde + chloride + 2 h(+) => bromochloromethane + h2o
label: bromide + formaldehyde + chloride + 2 H(+) => bromochloromethane + H2O
label_lc: bromide + formaldehyde + chloride + 2 h(+) => bromochloromethane + h2o