C 13#11, 4th inversion (D in the bass)
Also written as C13#11/D.
Notes, from the bass up
D (bass)F#ACEGBb
The same notes as C 13#11 (D, F#, A, C, E, G and Bb), rearranged so D is the lowest note. Use it to move between chords with smaller jumps across the keyboard.