5-(4-Pyridyl)-2H-tetrazole-2-acetic acid
5-(4-Pyridyl)-2H-tetrazole-2-acetic acid ??
??
5-(4-Pyridyl)-2H-tetrazole-2-acetic acid C??? ??, ??, ??
5-(4-Pyridyl)-2H-tetrazole-2-acetic acid ?? ?? ? ???
???
?? ??
5-(4-Pyridyl)-2H-tetrazole-2-acetic acid ?? ??
???( 0)?? ??