Lookup for FHIR R5 Quantity for use in FHIR R4

Source ElementUsageTarget
Quantity.idUseElementSameNameQuantity.id
Quantity.extensionUseElementSameNameQuantity.extension
Quantity.valueUseElementSameNameQuantity.value
Quantity.comparatorUseExtensionhttp://hl7.org/fhir/5.0/StructureDefinition/extension-Quantity.comparator
Quantity.unitUseElementSameNameQuantity.unit
Quantity.systemUseElementSameNameQuantity.system
Quantity.codeUseElementSameNameQuantity.code