valacyclovir + H2O <=> acyclovir + L-valine + H(+)
valacyclovir + h2o <=> acyclovir + l-valine + h(+)
valacyclovir + H2O <=> acyclovir + L-valine + H(+)
valacyclovir + h2o <=> acyclovir + l-valine + h(+)