ribostamycin + phosphate => 5''-phosphoribostamycin + H2O
ribostamycin + phosphate => 5''-phosphoribostamycin + h2o
ribostamycin + phosphate => 5''-phosphoribostamycin + H2O
ribostamycin + phosphate => 5''-phosphoribostamycin + h2o