Explanatory notes
… products which would otherwise fall in Chapter 29, e.g., naphthalene, or 1,4‑dichlorobenzene. The heading … (other than standardised pyrethrum extract), or copper naphthenate in a mineral oil). Intermediate … red squill, rape oil), of plant‑growth regulators, natural or synthetic (e.g., 2,4‑D), of cultures of …