HTS Code 3204-Synthetic organic colouring matter, whether or not chemically defined; preparations based on synthetic organic colouring matter of a kind used to dye fabrics or produce colorant preparations; synthetic organic products of a kind used as fluorescent brightening agents or as luminophores, whether or not chemically defined (excluding preparations of heading 3207, 3208, 3209, 3210, 3213 and 3215)