5-Nitro-2-formylselenophene

N-(2-(5-nitro-2H-indazol-2-yl)ethyl)methanesulfonamide

Methyl 2-(6-ethoxy-5-nitropyridin-2-yl)acetate

7-(2,5-Difluorophenyl)-4,5,6,7-tetrahydro-4-oxo-3-benzofurancarboxylic acid

Tert-butyl 4-(4-(6,6-dimethyl-4-oxo-4,5,6,7-tetrahydrobenzofuran-3-carboxamido)-3-methoxyphenyl)piperazine-1-carboxylate

Ethyl 6-ethoxy-5-nitropicolinate

4,5,6,7-Tetrahydro-6-(hydroxymethyl)-6-methyl-4-oxo-3-benzofurancarboxylic acid

Ethyl 4'-oxo-4',7'-dihydro-5'H-spiro[cyclohexane-1,6'-furo[3,2-c]pyridine]-3'-carboxylate

5-(2-(2-(Benzyloxy)ethoxy)ethyl)-4-oxo-4,5,6,7-tetrahydrofuro[3,2-c]pyridine-3-carboxylic acid

Ethyl 3-hydroxy-7,7-dimethyl-4-oxo-3,4,5,7-tetrahydro-2H-furo[2,3-c]pyran-3-carboxylate

ethyl 5,5-dimethyl-4-oxo-4,7-dihydro-5H-furo[2,3-c]pyran-3-carboxylate