Any penicillin which causes the onset of an allergic reaction.
| Member | Definition | Role |
|---|
| amoxicillin | A penicillin in which the substituent at position 6 of the penam ring is a 2-amino-2-(4-hydroxyphenyl)acetamido group. | amoxicillin |
| ampicillin | A penicillin in which the substituent at position 6 of the penam ring is a 2-amino-2-phenylacetamido group. | ampicillin |
| azlocillin | A semisynthetic penicillin having a 6beta-{(2R)-2-[(2-oxoimidazolidine-1-carbonyl)amino]-2-phenylacetyl}amino side-group. It is an antibiotic used in treating infections caused by Pseudomonas aeruginosa, Escherichia coli and Haemophilus influenzae. | azlocillin |
| carbenicillin | A penicillin antibiotic having a 6beta-2-carboxy-2-phenylacetamido side-chain. | carbenicillin |
| cloxacillin | A semisynthetic penicillin antibiotic carrying a 3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamido group at position 6. | cloxacillin |
| epicillin | A penicillin in which the substituent at position 6 of the penam ring is a (2R)-2-amino-2-(cyclohexa-1,4-dien-1-yl)acetamido group. | epicillin |
| floxacillin | A penicillin compound having a 6beta-[3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxamido] side-chain. | flucloxacillin |
| methampicillin | A penicillin compound having a 6beta-(2R)-2-(methylideneamino)-2-phenylacetamido side-group. | metampicillin |
| methicillin | A penicillin that is 6-aminopenicillanic acid in which one of the amino hydrogens is replaced by a 2,6-dimethoxybenzoyl group. | methicillin |
| mezlocillin | A penicillin in which the substituent at position 6 of the penam ring is a (2R)-2-[3-(methanesulfonyl)-2-oxoimidazolidine-1-carboxamido]-2-phenylacetamido group. | mezlocillin |
| nafcillin | A penicillin in which the substituent at position 6 of the penam ring is a (2-ethoxy-1-naphthoyl)amino group. | nafcillin |
| penicillin g | A penicillin in which the substituent at position 6 of the penam ring is a phenylacetamido group. | benzylpenicillin |
| penicillin v | A penicillin compound having a 6beta-(phenoxyacetyl)amino side-chain. | phenoxymethylpenicillin |
| phenethicillin | A penicillin in which the substituent at position 6 of the penam ring is a 2-phenoxypropanamido group. | phenethicillin |
| piperacillin | A penicillin in which the substituent at position 6 of the penam ring is a 2-[(4-ethyl-2,3-dioxopiperazin-1-yl)carboxamido]-2-phenylacetamido group. | piperacillin |
| ticarcillin | A penicillin compound having a 6beta-[(2R)-2-carboxy-2-thiophen-3-ylacetyl]amino side-group. | ticarcillin |