      
         ! add o18 and ne22
         
         add_isos(o18, ne22)
         
         add_reactions(
            rn14ag_to_o18      ! n14(a,g)f18(e+nu)o18
            r_o18_ag_ne22
            )     
              
         remove_reactions(
            rn14ag_to_ne22,
            rn14ag_lite
            )     
