… Synthetic organic colouring matter, whether or not chemically defined; … as specified in Note 3 to this Chapter based on synthetic organic colouring matter; synthetic organic products of a …
Explanatory notes
… 32.04 - Synthetic organic colouring matter, whether or not chemically defined; … nigrosines, eurhodines, safranines, etc.), oxazines (gallocyanines, etc.) and thiazines (methylene blue, etc.); …