D9

 X    
 ======
 ~~~~~~
 ------
 ||1|||  4th fret
 ------
 |2|333
 ------
 ||||||
 ------
  DFCEA
   #

or:

 X    X
 ======
 ~~~~~~
 ------
 ||1|||  4th fret
 ------
 |2|34|
 ------
 ||||||
 ------
  DFCE
   #

or:

 ======
 ~~~~~~
 ------
 |11|1|  7th fret
 ------
 |||||2
 ------
 |||3||
 ------
 4|||||
 ------
 ||||||
 ------
 DEAEFC
     #

Notes:  1  : D
        3  : F#
        5  : A
        b7 : C
        9  : E