methyl 4-[2-(difluoromethoxy)-4-nitrophenyl]-2-methyl-5-oxo-1,4,5,7-tetrahydrofuro[3,4-b]pyridine-3-carboxylate
CAS No. 124733-04-6
CH2O3.Ag.Na 63698-09-9
cgp29287 93287-54-8