» Norgestrel and Ethinyl Estradiol Tablets contain not less than 90.0 percent and not more than 110.0 percent of the labeled amount of norgestrel (C₂₁H₂₈O₂) and not less than 90.0 percent and not more than 110.0 percent of the labeled amount of ethinyl estradiol (C₂₀H₂₄O₂).