rifamycin SV hemiaminal => rifamycin SV ortho-naphthoquinone carboxamide + H(+)
rifamycin sv hemiaminal => rifamycin sv ortho-naphthoquinone carboxamide + h(+)
rifamycin SV hemiaminal => rifamycin SV ortho-naphthoquinone carboxamide + H(+)
rifamycin sv hemiaminal => rifamycin sv ortho-naphthoquinone carboxamide + h(+)