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... > LIFE SCIENCES > biology > biochemistry > biochemistry by substance > biochemical substances by activity or property > synthetic hormones > synthetic progestogens > megestrol

... > LIFE SCIENCES > biology > biochemistry > biochemistry by substance > biochemical substances by composition or structure > lipids > isoprenoids > steroids > pregnanes > megestrol

... > PHYSICAL SCIENCES > chemistry > chemical substances > chemical substances by use or effect > drugs > drugs by function > oral contraceptives > megestrol