B Quartal (So What), 4th inversion (F# in the bass)
Also written as B quartal/F#.
Notes, from the bass up
F# (bass)BEAC#
The same notes as B Quartal (So What) (F#, B, E, A and C#), rearranged so F# is the lowest note. Use it to move between chords with smaller jumps across the keyboard.