Db Quartal (So What), 2nd inversion (B in the bass)
Also written as Db quartal/B.
Notes, from the bass up
B (bass)D#G#C#F#
The same notes as Db Quartal (So What) (B, D#, G#, C# and F#), rearranged so B is the lowest note. Use it to move between chords with smaller jumps across the keyboard.