39713-36-5
dimethyl 5,9-dihydroxy-7H-cyclohepta[b]pyridine-6,8-dicarboxylate
→
~82%
39713-40-1
7,8-二氢-5H-环hepta[b]吡啶-5,9(6H)-二酮
605-38-9
2,3-吡啶二甲酸二甲酯