<qa>  What is the name of the tablet that contains grazoprevir?In Part A, study therapy will be administered as separate products, each taken q.d. by mouth. In Part B and Part C, participants will take 2 uprifosbuvir grazoprevir ruzasvir FDC tablets q.d. by mouth; each uprifosbuvir grazoprevir ruzasvir FDC tablet contains grazoprevir 50 mg uprifosbuvir 225 mg ruzasvir 30 mg. 