Eb Augmented Major 7th, 1st inversion (G in the bass)
Also written as Ebaug(maj7)/G.
Notes, from the bass up
G (bass)BDD#
The same notes as Eb Augmented Major 7th (G, B, D and D#), rearranged so G is the lowest note. Use it to move between chords with smaller jumps across the keyboard.