1385033-25-9
ethyl 4-methyl-3,6-dioxo-2,3,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridine-1-carboxylate
→
~96%
28491-58-9
4,6-二甲基-3-羟基吡唑并-(3,4-B)-吡啶
28491-59-0
2-amino-4-methyl-6-oxo-1H-pyridine-3-carboxamide