479364.fig.001a
(a)
479364.fig.001b
(b)
479364.fig.001c
(c)
Figure 1: (a) Structure of Valproic acid, (b) structure of valeric acid, (c) valeriana officinalis (valeriana officinalis in an early stage of flowering, [Belgium] Photo by Maarten. © 2007 Erowid.org: http://www.erowid.org/herbs/show_image.php?i=valerian/valeriana_officinalis_flower__i2005e1334_disp.jpg).