Cell viability (% control) of Neuro2A cells upon incubation with:
A1–A3: (4-(phenyldiazenyl)phenol) at 2, 5 and 10 μM
concentrations, respectively; B1–B3: (4-(phenyldiazenyl)quinolin-8-ol)
at 2, 5 and 10 μM concentrations, respectively; C1–C3: HL1 at 2,
5 and 10 μM concentrations, respectively; D1–D3:
(4-(phenyldiazenyl) benzene-1,3-diol) at 2, 5 and 10 μM concentrations,
respectively; and E1–E3: HL2 at 2, 5 and 10 μM concentrations,
respectively.