. "EE" . . . "38.0" . "Ethinylestradiol" . . . . . . "423D2T571U" . . . "691" . "synthetic estrogen" . . . . . . . . . "D00554" . . "Ethinylestradiol/ethisterone" . . "a604032" . . . . "5991" . . . . . . . . "Ethinylestradiol and norgestimate" . . "ethinylestradiol" . . "57-63-6" . . "ethinyl estradiol" . "Ethinylestradiol/norethisterone acetate/ferrous fumarate" . . "DB00977" . "Ethinylestradiol (EE)" . . . . . "ethinyl estradiol-based oral contraceptives" . . . . . . . . . "Ethinylestradiol" . . "4903" . . . . . . . . "Numerous" . .