. "Any process that stops, prevents or reduces the frequency, rate or extent of secondary metabolite biosynthetic process." . . . "negative regulation of secondary metabolite biosynthetic process" . "down regulation of secondary metabolite biosynthesis" . "down regulation of secondary metabolite biosynthetic process" . "down-regulation of secondary metabolite biosynthesis" . "down-regulation of secondary metabolite biosynthetic process" . "downregulation of secondary metabolite biosynthesis" . "downregulation of secondary metabolite biosynthetic process" . "inhibition of secondary metabolite biosynthesis" . "inhibition of secondary metabolite biosynthetic process" . "negative regulation of secondary metabolite biosynthesis" . . . . . . . .