Norethisterone acetateMestranolMoxestrolNorgestrelMestranol/norethynodrel: Mestranol/norethynodrel was the first combined oral contraceptive pill (COCP) being mestranol and norethynodrel (INNs). It sold as Enovid in the United States and as Enavid in the United Kingdom.Photometry (astronomy): Photometry is a technique of astronomy concerned with measuring the flux, or intensity of an astronomical object's electromagnetic radiation. When photometry is performed over broad wavelength bands of radiation, where not only the amount of radiation but also its spectral distribution is measured, the term spectrophotometry is used.Pregnenolone sulfateKlebsiella terrigena: Klebsiella terrigena is a Gram-negative bacterial species of the genus Klebsiella. It has primarily been isolated from soil and water samples, but rarely from humans.Enteroinvasive Escherichia coliTetraphenylporphyrinEstradiol cypionate: Estradiol cypionate (INN, USAN) (brand names Depo-Estradiol, Depofemin, Estradep, and many others), or estradiol cipionate, is a synthetic ester, specifically the 3-cyclopentylpropanoyl ester, of the natural estrogen, estradiol. It was first introduced in 1952 by Upjohn in the United States, and has been in widespread use since.