D# Minor Major 9th, 4th inversion (E# in the bass)
Also written as D#m(maj9)/E#.
Notes, from the bass up
E# (bass)D#F#A#D
The same notes as D# Minor Major 9th (E#, D#, F#, A# and D), rearranged so E# is the lowest note. Use it to move between chords with smaller jumps across the keyboard.