Drospirenone (INN, USAN), also known as 1,2-dihydrospirorenone, is a synthetic hormone used in birth control pills.
It is sold under the brand names Yasmin, Yasminelle, Yaz, Beyaz, Ocella, Zarah, and Angeliq, all of which are combination products of drospirenone with an estrogen such as ethinylestradiol.
Read more about Drospirenone: Medical Uses, Adverse Effects, Chemistry, Formulations, Litigation and Regulatory Penalties