3-Amino-2-(5-methoxypyridin-3-yl)pyrido[2,3-d]pyrimidin-4(3h)-one
3-Amino-2-(5-chloropyridin-3-yl)pyrido[2,3-d]pyrimidin-4(3h)-one
3-Amino-2-(3-fluorophenyl)pyrido[2,3-d]pyrimidin-4(3h)-one
3-Amino-2-(2-fluorophenyl)pyrido[2,3-d]pyrimidin-4(3h)-one
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![3-Amino-2-(4-chlorophenyl)pyrido[2,3-d]pyrimidin-4(3h)-one](https://qncdn.chemcd.cn/ampyridine/AM248170.png)
![AM248169 | 1363405-35-9 | 3-Amino-2-(5-methoxypyridin-3-yl)pyrido[2,3-d]pyrimidin-4(3h)-one](https://qncdn.chemcd.cn/ampyridine/AM248169.png "AM248169 | 1363405-35-9 | 3-Amino-2-(5-methoxypyridin-3-yl)pyrido[2,3-d]pyrimidin-4(3h)-one")
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![AM248167 | 1363405-34-8 | 3-Amino-2-(3-fluorophenyl)pyrido[2,3-d]pyrimidin-4(3h)-one](https://qncdn.chemcd.cn/ampyridine/AM248167.png "AM248167 | 1363405-34-8 | 3-Amino-2-(3-fluorophenyl)pyrido[2,3-d]pyrimidin-4(3h)-one")
![AM248166 | 1363405-19-9 | 3-Amino-2-(2-fluorophenyl)pyrido[2,3-d]pyrimidin-4(3h)-one](https://qncdn.chemcd.cn/ampyridine/AM248166.png "AM248166 | 1363405-19-9 | 3-Amino-2-(2-fluorophenyl)pyrido[2,3-d]pyrimidin-4(3h)-one")