NILANDRON† tablets contain nilutamide, a nonsteroidal, orally active antiandrogen having the chemical name 5,5-dimethyl 3-[4-nitro 3-(trifluoromethyl) phenyl] 2,4-imidazolidinedione with the following structural formula:

Nilutamide is a microcrystalline, white to practically white powder with a molecular weight of 317.25. C₁₂H₁₀F₃N₃O₄.

It is freely soluble in ethyl acetate, acetone, chloroform, ethyl alcohol, dichloromethane, and methanol. It is slightly soluble in water [< 0.1% W/V at 25°C (77°F)]. It melts between 153°C and 156°C (307.4°F and 312.8°F).

Each NILANDRON tablet contains 150 mg of nilutamide. Other ingredients in NILANDRON tablets are corn starch, lactose, povidone, docusate sodium, magnesium stearate, and talc.

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