Antioxidant and Antivenom Potential of an Essential Oil, 4-(2-Oxo-propyl)-cyclopentane-1,3-dione, and Allantoin Derived from the Polyherbal Combination of Aristolochia indica L. and Piper nigrum L.

Table 11

Bond angle of compound W3.

Elements	Bond angle
C(1)-N(1)-C(2)	112.04 (15)
C(1)-N(1)-H(1N)	123.8 (14)
C(2)-N(1)-H(1N)	123.8 (14)
C(2)-N(2)-C(3)	112.39 (14)
C(2)-N(2)-H(2N)	124.0 (17)
C(3)-N(2)-H(2N)	123.6 (17)
C(4)-N(3)-C(3)	120.46 (14)
(4)-N(3)-H(3B)	119.8
C(3)-N(3)-H(3B)	119.8
C(4)-N(4)-H(4A)	120.0
C(4)-N(4)-H(4B)	120.0
H(4A)-N(4)-(4B)	120.0
O(1)-C(1)-N(1)	127.20 (16)
O(1)-C(1)-C(3)	126.15 (15)
N(1)-C(1)-C(3)	106.60 (14)
O(2)-C(2)-N(2)	127.76 (17)
O(2)-C(2)-N(1)	124.40 (16)
N(2)-C(2)-N(1)	107.84 (15)
N(3)-C(3)-N(2)	116.20 (14)
N(3)-C(3)-C(1)	113.80 (14)
N(2)-C(3)-C(1)	100.80 (13)
N(3)-C(3)-H(3A)	108.5
N(2)-C(3)-H(3A)	108.5
C(1)-C(3)-H(3A)	108.5
O(3)-C(4)-N(4)	122.81 (16)
O(3)-C(4)-N(3)	120.16 (16)
N(4)-C(4)-N(3)	117.02 (15)