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 7

Torsion angles (°) of compound AA2.

Elements	Torsion angles (°)
C4-C3-C2-O1	3.3 (5)
C6-C7-C8-O2	−177.2 (3)
C4-C5-C6-O3	176.9 (4)
C8-C7-C6-O3	178.9 (4)
C2-C3-C4-C5	−70.0 (5)
C6-C5-C4-C3	128.1 (3)
O2-C8-C4-C3	51.7 (5)
O2-C8-C4-C5	176.5 (4)
C4-C3-C2-C1	−177.4 (3)
C6-C7-C8-C4	5.0 (4)
C4-C5-C6-C7	−2.1 (4)
C8-C7-C6-C5	−2.0 (4)
C2-C3-C4-C8	46.3 (5)
C6-C5-C4-C8	4.8 (4)
C7-C8-C4-C3	−130.6 (3)
C7-C8-C4-C5	−5.8 (4)