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 16

Torsion angles (°) of compound W3.

Elements	Torsion angles (°)
C(2)-N(1)-C(1)-O(1)	177.48 (16)
C(2)-N(1)-C(1)-C(3)	−5.09 (19)
C(3)-N(2)-C(2)-O(2)	−177.39 (17)
C(3)-N(2)-C(2)-N(1)	2.0 (2)
C(1)-N(1)-C(2)-O(2)	−178.42 (17)
C(1)-N(1)-C(2)-N(2)	2.2 (2)
C(4)-N(3)-C(3)-N(2)	70.4 (2)
C(4)-N(3)-C(3)-C(1)	−46.0 (2)
C(2)-N(2)-C(3)-N(3)	−128.17 (16)
C(2)-N(2)-C(3)-C(1)	−4.68 (18)
O(1)-C(1)-C(3)-N(3)	−51.7 (2)
N(1)-C(1)-C(3)-N(3)	130.82 (15)
O(1)-C(1)-C(3)-N(2)	−176.84 (16)
N(1)-C(1)-C(3)-N(2)	5.70 (17)
C(3)-N(3)-C(4)-O(3)	−3.6 (2)
C(3)-N(3)-C(4)-N(4)	177.74 (15)