1-hydroxyurea-15N2 13C;N-Hydroxyurea-15N2 13C; Biosupressin-15N2 13C; Carbamohydroxamic Acid-15N2 13C; Carbamoyl Oxime-15N2 13C; Cytodrox-15N2 13C; Droxia-15N2 13C; Hidrix-15N2 13C; Hydrea-15N2 13C; Hydreia-15N2 13C; Hydroxycarbamide-15N2 13C; Hydroxycarbamine-15N2 13C; N-(Aminocarbonyl)hydroxylamine-15N2 13C; Hydroxylurea-15N2 13C; Hydura-15N2 13C; Hydurea-15N2 13C; Litaler-15N2 13C; Litalir-15N2 13C; N-Carbamoylhydroxylamine-15N2 13C;
