3(4H)-Quinazolineacetic acid, alpha-(2-methylpropyl)-4-oxo-2-(3,4,5-trimethoxyphenyl)- 83408-93-9 BRN 4598020 alpha-(2-Methylpropyl)-4-oxo-2-(3,4,5-trimethoxyphenyl)-3(4H)-quinazolineacetic acid