<unk>  (EC/OHPC), sold under the brand name Sinbios, is a combination medication of estradiol<unk>  (EC), an estrogen, and hydroxyprogesterone caproate (OHPC), a progestin, which was reportedly used as a combined injectable contraceptive in women in the early 1970s. It contained 5 mg EC and 250 mg OHPC in oil solution, was provided in the form of 1 mL ampoules, and was administered by intramuscular injection at regular intervals. The medication was manufactured by the pharmaceutical company Mavi in Mexico.
Estradiol cypionate/hydroxyprogesterone caproate
Estradiol benzoate/hydroxyprogesterone caproate
Estradiol valerate/hydroxyprogesterone caproate
Estradiol dipropionate/hydroxyprogesterone caproate
Testosterone propionate/testosterone enanthate
Estradiol enantate/algestone acetophenide
Estradiol valerate/testosterone enanthate
Mestranol/hydroxyprogesterone acetate