... 635.5149 White or off-white crystalline powderAIDS Medicines, Anti-HIV Agents, ANTIINFECTIVE THERAPY, Reverse Transcriptase InhibitorsTenofovir disoproxil fumarate is a ... -dose combination with emtricitabine in a product. AIDS Medicines, Anti-HIV Agents, ANTIINFECTIVE THERAPY, Reverse Transcriptase Inhibitors tenofovir disoproxil fumarate