SEARCH Articles Figures Tables 6-Hydrazino-l,3-dimethyl-5-nitrosouracil formation of fervenulin 4-oxides Fervenulin 4-oxides, syntheses Fervenulin 4-oxides, thermal deoxygenation Fervenulin 4-oxides, thermal deoxygenation formation Fervenulin 4-oxides, thermal deoxygenation reduction Fervenulins