Bond lengths [Å] and angles [°] for ED.

N(11)–C(12)	1.299(2)
N(11)–N(12)	1.3921(18)
N(12)–C(11)	1.303(2)
N(12)–C(13)	1.458(2)
N(13)–C(12)	1.319(2)
N(21)–C(22)	1.3015(18)
N(21)–O(21)	1.4407(16)
N(22)–C(23)	1.3333(19)
O(11)–C(11)	1.3481(19)
O(11)–C(12)	1.3818(18)
O(21)–C(23)	1.3436(17)
C(11)–C(21)	1.431(2)
C(21)–C(23)	1.3848(19)
C(21)–C(22)	1.431(2)
C(22)–C(24)	1.4854(19)
C(12)–N(11)–N(12)	102.59(13)
C(11)–N(12)–N(11)	111.64(14)
C(11)–N(12)–C(13)	129.02(14)
N(11)–N(12)–C(13)	119.30(13)
C(22)–N(21)–O(21)	106.02(11)
C(11)–O(11)–C(12)	104.39(12)
C(23)–O(21)–N(21)	108.69(10)
N(12)–C(11)–O(11)	108.20(13)
N(12)–C(11)–C(21)	130.31(15)
O(11)–C(11)–C(21)	121.48(13)
N(11)–C(12)–N(13)	129.72(15)
N(11)–C(12)–O(11)	113.14(13)
N(13)–C(12)–O(11)	117.13(14)
C(23)–C(21)–C(11)	127.35(14)
C(23)–C(21)–C(22)	104.78(12)
C(11)–C(21)–C(22)	127.76(13)
N(21)–C(22)–C(21)	111.40(12)
N(21)–C(22)–C(24)	119.91(12)
C(21)–C(22)–C(24)	128.68(12)
N(22)–C(23)–O(21)	117.33(12)
N(22)–C(23)–C(21)	133.62(13)
O(21)–C(23)–C(21)	109.05(12)