4,6-二羟基烟酸乙酯

Ethyl 4,​6-​dihydroxynicotinate has been used as a reactant is the synthesis of pyridazinopyrimidinone and pyridopyrimidinone derivatives as PDE5 inhibitors and for the synthesis of pyridone diaryl ether non-nucleoside inhibitors of HIV-1 reverse transcriptase.