A chemical compound, or part thereof, which causes the onset of an allergic reaction by interacting with any of the molecular pathways involved in an allergy.
benzylpenicillenic acid
(CHEBI:60209)
is conjugate acid of
benzylpenicillenate
(CHEBI:60541) S-benzylpenicillenate group
(CHEBI:60560)
is substituent group from
benzylpenicillenate
(CHEBI:60541)