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Displaying all 2 drugs
Ethinylestradiol
Ethinylestradiol was first synthesized in 1938 by Hans Herloff Inhoffen and Walter Hohlweg at Schering. It was developed in an effort to create an estrogen with greater oral bioavailability. These properties were achieved by the substitution of an ethinyl group at carbon 17 of estradiol. Ethinylestradiol soon replaced mestranol in...
Approved
Levonorgestrel
Levonorgestrel (LNG) is a synthetic progestogen similar to Progesterone used in contraception and hormone therapy.[A181988,T659] Also known as Plan B, it is used as a single agent in emergency contraception, and as a hormonal contraceptive released from an intrauterine device, commonly referred to as an IUD. Some of these devices...
Approved
Investigational
Displaying all 2 drugs