88267-66-7
ethyl 1-methyl-4-oxoquinazoline-2-carboxylate
→
~92%
88267-78-1
1-methyl-4-oxoquinazoline-2-carboxylic acid
7505-81-9
2-甲氨基苯甲酰胺
3476-68-4
1-methylquinazolin-4-one