D# Minor 9b5, 1st inversion (F# in the bass)
Also written as D#m9b5/F#.
Notes, from the bass up
F# (bass)AC#E#D#
The same notes as D# Minor 9b5 (F#, A, C#, E# and D#), rearranged so F# is the lowest note. Use it to move between chords with smaller jumps across the keyboard.