- Metabolic clearance rate of equilin sulfate and its conversion to plasma equilin, conjugated and unconjugated equilenin, 17 beta-dihydroequilin, and 17 beta-dihydroequilenin in normal postmenopausal women and men under steady state conditions. Bhavnani, B.R., Cecutti, A. J. Clin. Endocrinol. Metab. (1993)