Reactant for synthesis of: Ursolic acid derivatives Amodiaquine analogues for treatment of cerebral malaria Spiroimidazolidinone NPC1L1 inhibitors Piperazinyl glutamate pyridines as orally bioavailable P2Y12 antagonists for inhibition of platelet aggregation Neurokinin-2 receptor antagonists Hepatitis C virus NS5B polymerase inhibitors Reactant for synthesis of: Ursolic acid derivatives Amodiaquine analogues for treatment of cerebral malaria Spiroimidazolidinone NPC1L1 inhibitors Piperazinyl glutamate pyridines as orally bioavailable P2Y12 antagonists for inhibition of platelet aggregation Neurokinin-2 receptor antagonists Hepatitis C virus NS5B polymerase inhibitors