3-Amino-2-m-tolylpyrido[2,3-d]pyrimidin-4(3h)-one
3-Amino-2-(2-chlorophenyl)pyrido[2,3-d]pyrimidin-4(3h)-one
3-Amino-2-(4-chlorophenyl)pyrido[2,3-d]pyrimidin-4(3h)-one
3-Amino-2-(5-methoxypyridin-3-yl)pyrido[2,3-d]pyrimidin-4(3h)-one
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![3-Amino-2-(p-tolyl)pyrido[2,3-d]pyrimidin-4(3H)-one](https://qncdn.chemcd.cn/ampyridine/AM248173.png)
![AM248172 | 1363405-26-8 | 3-Amino-2-m-tolylpyrido[2,3-d]pyrimidin-4(3h)-one](https://qncdn.chemcd.cn/ampyridine/AM248172.png "AM248172 | 1363405-26-8 | 3-Amino-2-m-tolylpyrido[2,3-d]pyrimidin-4(3h)-one")
![AM248171 | 1363405-20-2 | 3-Amino-2-(2-chlorophenyl)pyrido[2,3-d]pyrimidin-4(3h)-one](https://qncdn.chemcd.cn/ampyridine/AM248171.png "AM248171 | 1363405-20-2 | 3-Amino-2-(2-chlorophenyl)pyrido[2,3-d]pyrimidin-4(3h)-one")
![AM248170 | 1363404-94-7 | 3-Amino-2-(4-chlorophenyl)pyrido[2,3-d]pyrimidin-4(3h)-one](https://qncdn.chemcd.cn/ampyridine/AM248170.png "AM248170 | 1363404-94-7 | 3-Amino-2-(4-chlorophenyl)pyrido[2,3-d]pyrimidin-4(3h)-one")
![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")