A new azafluorenone (onychine) alkaloid. 6.7-dimethoxy-5-hydroxy onychine N-oxide. was isolated from the stem and branch of Alphonsea monogyma. Its structure was established on the basis of spectral and chemical anal...A new azafluorenone (onychine) alkaloid. 6.7-dimethoxy-5-hydroxy onychine N-oxide. was isolated from the stem and branch of Alphonsea monogyma. Its structure was established on the basis of spectral and chemical analysis.展开更多
文摘A new azafluorenone (onychine) alkaloid. 6.7-dimethoxy-5-hydroxy onychine N-oxide. was isolated from the stem and branch of Alphonsea monogyma. Its structure was established on the basis of spectral and chemical analysis.
