isProprietary constant
IriTerm
const isProprietary
IRI for schema:isProprietary [Expects: https://schema.org/Boolean]
True if this item's name is a proprietary/brand name (vs. generic name).
Can be used on: https://schema.org/DietarySupplement, https://schema.org/Drug
Implementation
static const isProprietary = IriTerm('https://schema.org/isProprietary');