OptionalpriceCurrent price including VAT (the page's JSON-LD price), for the base option.
OptionaldescriptionPlain-text description/introduction.
Plain-text content used to look for a CAS number.
OptionalskuProduct SKU.
Size/strength options; empty for a product with a single size.
The parts of a product's block on a category page that the search response lacks or has stale.
Source