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DayseeTM (levonorgestrel and ethinyl estradiol tablets USP, and ethinyl estradiol tablets USP) is indicated for use by women to prevent pregnancy.
Daysee (levonorgestrel and ethinyl estradiol tablets USP, and ethinyl estradiol tablets USP) is an extended-cycle oral contraceptive consisting of 84 light blue tablets each containing 0.15 mg of levonorgestrel, a synthetic progestogen and 0.03 mg of ethinyl estradiol, and 7 mustard tablets containing 0.01 mg of ethinyl estradiol.
The structural formulas for the active components are:

Levonorgestrel is chemically 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-,(17α)-, (-)-.

Ethinyl Estradiol is 19-Norpregna-1, 3, 5 (10)-trien-20-yne-3,17-diol, (17α)-
Each light blue tablet contains the following inactive ingredients: croscarmellose sodium, hypromellose, FD and C blue No. 1, FD and C yellow No. 6, iron oxide yellow, lactose anhydrous, magnesium stearate, microcrystalline cellulose, polyethylene glycol, povidone and titanium dioxide.
Each mustard tablet contains the following inactive ingredients: FD and C yellow No. 6, hypromellose, iron oxide yellow, lactose anhydrous, magnesium stearate, microcrystalline cellulose, polacrillin potassium, polyethylene glycol, polysorbate 80 and titanium dioxide.
The Mustard Tablet i.e. Ethinyl Estradiol Tablets USP meets USP Dissolution Test 2.