4-[(4-Oxo-4H-1-benzopyran-3-yl)methyl]morpholinium
4-[(4-Oxo-4H-1-benzopyran-3-yl)methyl]morpholinium ??
??
4-[(4-Oxo-4H-1-benzopyran-3-yl)methyl]morpholinium C??? ??, ??, ??
4-[(4-Oxo-4H-1-benzopyran-3-yl)methyl]morpholinium ?? ?? ? ???
???
?? ??
4-[(4-Oxo-4H-1-benzopyran-3-yl)methyl]morpholinium ?? ??
???( 0)?? ??