preferred_name: streptomycin + phosphate => streptomycin 6-phosphate + H2O
preferred_name_lc: streptomycin + phosphate => streptomycin 6-phosphate + h2o
label: streptomycin + phosphate => streptomycin 6-phosphate + H2O
label_lc: streptomycin + phosphate => streptomycin 6-phosphate + h2o