31437477synthetic Van Dyck brownPT2026-03-30 20:57:57UF31437478Van Dyck brown, syntheticNDUF31437479artificial Cassel brownNDUF31437480artificial Van Dyke brownNDUF31437481artificial Vandyke brownNDUF31437482synthetic Van Dyke brownNDUF31437483synthetic Vandyke brownNDBT31411040synthetic inorganic brown pigmentPT