D# Minor Major 9th, 3rd inversion (D in the bass)
Also written as D#m(maj9)/D.
Notes, from the bass up
D (bass)E#D#F#A#
The same notes as D# Minor Major 9th (D, E#, D#, F# and A#), rearranged so D is the lowest note. Use it to move between chords with smaller jumps across the keyboard.