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 10

Bond length of compound W3.

Elements	Bond length
O(1)-C(1)	1.218 (2)
O(2)-C(2)	1.225 (2)
O(3)-C(4)	1.245 (2)
N(1)-C(1)	1.352 (2)
N(1)-C(2)	1.393 (2)
N(1)-H(1N)	0.87 (2)
N(2)-C(2)	1.336 (2)
N(2)-C(3)	1.460 (2)
N(2)-H(2N)	0.82 (2)
N(3)-C(4)	1.357 (2)
N(3)-C(3)	1.425 (2)
N(3)-H(3B)	0.8600
N(4)-C(4)	1.333 (2)
N(4)-H(4A)	0.8600
N(4)-H(4B)	0.8600
C(1)-C(3)	1.537 (2)
C(3)-H(3A)	0.9800