B-methylated ligand [MeB(3-(C2F5) Pz)(3)](-) enables the isolation of a lithium adduct [MeB(3-(C2F5) Pz)(3)] Li with fac-N3F3 coordination, and rare isolable silver carbon monoxide and silver ethylene complexes, [ MeB( 3( C2F5) Pz)(3)] AgCO and [MeB(3-(C2F5) Pz)(3)] AgC2H4.