… Synthetic organic colouring matter, whether or not chemically defined; preparations as specified in Note 3 to … brightening agents or as luminophores, whether or not chemically defined. …
Explanatory notes
… - - Pigments and preparations based thereon 3204.18 - - Carotenoid colouring matters and preparations based thereon … (3) Stilbenes. (4) Thiazoles (e.g., thioflavine). (5) Carbazoles. (6) Quinoneimines, e.g., azines (indulines, … compounds, including their sulphonated derivatives. (15) Carotenoids obtained by synthesis (e.g., β -carotene, …