PREFIX fhir: <http://hl7.org/fhir-rdf/>
PREFIX sct: <http://snomed.info/sct/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>

_:BPfhir123
    a fhir:Observation;
    fhir:coding [ fhir:code sct:Blood_Pressure ];
    fhir:related [ fhir:type "has-component"; fhir:target _:sysBP123 ];
    fhir:related [ fhir:type "has-component"; fhir:target _:diaBP123 ]
.
_:sysBP123
    a fhir:Observation;
    fhir:coding [ fhir:code sct:Systolic_Blood_Pressure ];
    fhir:valueQuantity [
        a fhir:Quantity;
        fhir:value "110"^^xsd:float;
        fhir:units "mmHg"
    ]
.
_:diaBP123
    a fhir:Observation;
    fhir:coding [ fhir:code sct:Diastolic_Blood_Pressure ];
    fhir:valueQuantity [
        a fhir:Quantity;
        fhir:value "70"^^xsd:float;
        fhir:units "mmHg"
    ]
.