31411040synthetic inorganic brown pigmentPT2026-03-30 20:50:31UF31411041artificial inorganic brown pigmentNDUF31411042pigment, synthetic inorganic brownNDUF31411043synthetic inorganic brown pigmentsNDBT31373938brown pigmentPTBT31410972synthetic inorganic pigmentPTNT31437474Mars brownPTNT31437208brown ocherPTNT31437211burnt ocherPTNT31437477synthetic Van Dyck brownPTNT31437484Rubens brownPT