Table for the 4 triples with object aers:drug/UNKNOWN_CONTRACEPTIVE sorted by label

Subject	Predicate
aers:Involvement of UNKNOWN CONTRACEPTIVE in #8084893	aersVocab:drug
aers:Involvement of UNKNOWN CONTRACEPTIVE in #8151715	aersVocab:drug
aers:Involvement of UNKNOWN CONTRACEPTIVE in #8239135	aersVocab:drug
aers:unknown_contraceptive	prov:wasRevisionOf