Hydroxychloroquine Sulfate (2-[[4-[(7-Chloro-4-quinolinyl)amino]pentyl]ethylamino]ethanol Sulfate)
Hydroxychloroquine Sulfate EP Impurity B (2-((4-((7-chloroquinolin-4-yl)amino)pentyl) (ethyl)amino)ethyl hydrogen sulfate)
Hydroxychloroquine Sulfate EP Impurity C (2-[[(4RS)-4-[(7-Chloroquinolin-4-yl)amino]pentyl] amino]ethan-1-ol)