- The plant metabolite, 6-methoxybenzoxazolinone, stimulates an increase in secretion of follicle-stimulating hormone and size of reproductive organs in Microtus pinetorum. Schadler, M.H., Butterstein, G.M., Faulkner, B.J., Rice, S.C., Weisinger, L.A. Biol. Reprod. (1988)