21829-09-4
dimethyl 2,6-dimethyl-4-(4-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
→
~25%
120260-19-7
8-(4-nitrophenyl)-3,4,5,8-tetrahydrodifuro[3,4-b:3',4'-f]pyridine-1,7-dione
120260-24-4
8-(4-硝基苯基)-1H,3H-二呋喃并[3,4-b:3',4'-e]吡啶-1,7(5H)-二酮