Diethylstilbestrol (DES), which was prepared artificially, had been used in the animal husbandry extensively as the growing promoter.

• 己烯雌酚为人工合成的二苯乙烯类雌激素药,曾经作为促生长剂广泛应用于畜牧业,以促进动物生长,提高产量。