4-Amino-2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid
Tert-butyl (3-formyl-6-methoxypyridin-2-yl)carbamate
7-Oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid
2-Methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid
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![4-Amino-2-(methylthio)pyrido[2,3-d]pyrimidin-5(8h)-one](https://qncdn.chemcd.cn/ampyridine/AM248467.png)
![AM248466 | 106157-96-4 | 4-Amino-2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid](https://qncdn.chemcd.cn/ampyridine/AM248466.png "AM248466 | 106157-96-4 | 4-Amino-2-(methylthio)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid")
![AM248464 | 1246668-87-0 | 7-Oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid](https://qncdn.chemcd.cn/ampyridine/AM248464.png "AM248464 | 1246668-87-0 | 7-Oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid")
![AM248463 | 1386981-01-6 | 2-Methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid](https://qncdn.chemcd.cn/ampyridine/AM248463.png "AM248463 | 1386981-01-6 | 2-Methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid")