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 5

Bond angle of compound AA2.

Elements	Bond angle
C8-C7-C6	111.6 (3)
C6-C7-H7	124.2
C2-C3-H3	119.6
C6-C5-C4	112.3 (3)
C4-C5-H5	123.8
C2-C1-H1B	120.0
C2-C1-H1A	120.0
H1A-C1-H1B	120.0
C3-C4-C5	115.9 (3)
O1-C2-C1	122.6 (3)
C1-C2-C3	117.3 (3)
O2-C8-C4	126.7 (3)
O3-C6-C5	127.8 (4)
C5-C6-C7	108.1 (3)
C3-C4-C8	113.7 (3)
O1-C2-C3	120.0 (3)
O2-C8-C7	126.6 (3)
C5-C4-C8	100.9 (3)
C3-C4-H4	108.6
C8-C4-H4	108.6
C8-C7-H7	124.2
C2-C3-C4	120.8 (3)
C4-C3-H3	119.6
C6-C5-H5	123.8
C7-C8-C4	106.6 (3)
O3-C6-C7	124.1 (3)
C5-C4-H4	108.6