31411114synthetic inorganic violet pigmentPT2026-03-30 20:50:32UF31411115artificial inorganic violet pigmentNDUF31411116pigment, synthetic inorganic violetNDUF31411117synthetic inorganic violet pigmentsNDBT31373952violet pigmentPTBT31410972synthetic inorganic pigmentPTNT31437976cobalt violetPTNT31437978purple of CassiusPT