» Reserpine and Chlorothiazide Tablets contain not less than 90.0 percent and not more than 110.0 percent of the labeled amount of reserpine (C₃₃H₄₀N₂O₉) and not less than 93.0 percent and not more than 107.0 percent of the labeled amount of chlorothiazide (C₇H₆ClN₃O₄S₂).