Patent ID: 11884677
Assignee: KING FAISAL UNIVERSITY
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 7:
8. The compound of claim 7, wherein the compound is selected from the group consisting of:
5-(3-(Benzyloxy)Phenyl)-7-imino-7,8-dihydropyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione (4a);
5-(4-(Benzyloxy)phenyl)-7-imino-7,8-dihydropyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione (4b);
5-(3-Hydroxy-4-methoxyphenyl)-7-imino-7,8-dihydropyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione (4c);
5-(3-Hydroxy-4-methoxyphenyl)-7-imino-1,3-dimethyl-7,8-dihydropyrimido[4,5-d]pyrimid-ine-2,4(1H,3H)-dione (4d);
and a pharmaceutically acceptable salt, ester, stereoisomer, or solvate thereof.