Table 2.

Determination of favipiravir in presence of its acid-induced degradation product in laboratory prepared mixtures with proposed spectrophotometric methods

Conc (µg/mL)		Direct	DW	D1	ΔA
FAV	Deg	Recovery%a
18.00	2.00	99.90	100.40	99.27	100.25
16.00	4.00	100.70	100.71	99.97	99.47
14.00	6.00	99.47	100.16	98.94	98.58
10.00	10.00	99.75	99.92	100.81	99.77
8.00	16.00	100.88	99.48	99.77	105.07
6.00	14.00	116.87	123.76	130.02	120.97
2.00	18.00	172.48	166.92	194.80	152.76

^aAverage of three determinations