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