7-Oxa-3-azabicyclo[4.1.0]heptane, 1-ethyl-3-methyl-
7-Oxa-3-azabicyclo[4.1.0]heptane, 1-ethyl-3-methyl- ??
??
7-Oxa-3-azabicyclo[4.1.0]heptane, 1-ethyl-3-methyl- C??? ??, ??, ??
7-Oxa-3-azabicyclo[4.1.0]heptane, 1-ethyl-3-methyl- ?? ?? ? ???
???
?? ??
7-Oxa-3-azabicyclo[4.1.0]heptane, 1-ethyl-3-methyl- ?? ??
???( 1)?? ??