proansamycin
Any of a group of macrocyclic compounds that are intermediates in the biosynthesis of ansamycins

proansamycins
plural of proansamycin

prodiginine
Any of a group of pigmented oligopyrrole antibiotics with medicinal potential as immunosuppressants and antitumour agents

prodiginines
plural of prodiginine

prontosil
The antibacterial drug 4-[(2,4-diaminophenyl)azo]benzenesulfonamide.

propicillin
A penicillin.

propikacin
An aminoglycoside antibiotic.

prostacycline
Alternative form of prostacyclin.

prostacyclines
plural of prostacycline

protogracillin
A particular steroid glycoside.

protoneogracillin
A particular steroid glycoside.

prulifloxacin
A synthetic chemotherapeutic antibiotic of the fluoroquinolone class.

pseudomycin
Any of a class of peptide antimycotics isolated from Pseudomonas syringae.

pseudomycins
plural of pseudomycin

pseudouridimycin
An antibiotic active against bacterial RNA polymerase

puromycin
An antibiotic that is a strong inhibitor of protein translation.

puromycine
Alternative spelling of puromycin.

puromycins
plural of puromycin

purpuromycin
An antibiotic isolated from Actinoplanes ianthinogenes.

pyocianin
Misspelling of pyocyanin.

pyocyanase
An early antibiotic drug based on an isolate from pyocyanin-producing bacteria.

pyocyanin
A greenish-blue pigment, produced by Pseudomonas aeruginosa, that is an antibiotic and antifungal agent

pyocyanine
Alternative form of pyocyanin.

pyrazinamide
The amide of pyrazinoic acid; a bacteriostatic prodrug, pyrazine-2-carboxamide, used to treat tuberculosis.

pyrazinamides
plural of pyrazinamide

pyridomycin
An antibiotic that acts against mycobacteria

pyrithiamine
A particular antibiotic that is an analogue of thiamine.

pyrroindomycin
Any of a group of antibiotics that have a spirotetramate structure

pyrroindomycins
plural of pyrroindomycin

pyrrolnitrin
An antifungal antibiotic.

pyrrolobenzodiazepine
A class of compounds with antibiotic and anti-tumor properties.

pyrrolobenzodiazepines
plural of pyrrolobenzodiazepine

pyrrothine
Any of a class of antibiotics derived from dithiolopyrrolone

pyrrothines
plural of pyrrothine

quinacillin
A penicillin drug.

quinolone
Any of several isomeric ketones derived from quinoline.
Any of a range of broad-spectrum antibiotics, related to nalidixic acid, based on this structure.

quinolones
plural of quinolone

quinomycin
Synonym of echinomycin.

quinupristin
A streptogramin antibiotic derived from pristinamycin.

rabelomycin
The angucycline antibiotic (3R)-3,6,8-trihydroxy-3-methyl-2,4-dihydrobenzo[a]anthracene-1,7,12-trione

rafampacin
Misspelling of rifampicin.

ramoplanin
A glycolipodepsipeptide antibiotic drug derived from Actinoplanes.

rebaccamycin
Misspelling of rebeccamycin.

rebeccamycin
A particular antitumor drug.

relomycin
A macrolide antibiotic.

renieramycin
Any of a group of isoquinoline antitumor alkaloids found in some marine sponges

renieramycins
plural of renieramycin

resistogram
A graphical display of the bacterial resistance to a group of antibiotics

resistograms
plural of resistogram

resistome
All the genes (in a bacterium) that confer resistance to antibiotics

resistomes
plural of resistome

resistomycin
Synonym of heliomycin.

retapamulin
A topical antibiotic, the first pleuromutilin to be approved for human use.

retozide
Synonym of isoniazid.

reutericyclin
A tetramic acid antibiotic produced by Lactobacillus reuteri.

reveromycin
Any of a group of complex spiroketals, isolated from soil actinomycete of the genus Streptomyces, that have antibiotic activity and inhibit cell growth

reveromycins
plural of reveromycin

rhodomycin
Any of a group of antibiotics produced by Streptomyces

rhodomycins
plural of rhodomycin

ribostamycin
A particular aminoglycoside antibiotic.

riburamycin
Any of a group of antibiotics that are simplified analogues of liposidomycin.

riburamycins
plural of riburamycin

ridinilazole
An antibiotic 2,2'-di(pyridin-4-yl)-1H,1'H-5,5'-bi(benzimidazole)

rifabutin
A bactericidal antibiotic, primarily used in the treatment of tuberculosis, whose effect is based on blocking the DNA-dependent RNA-polymerase of the bacteria.

rifalazil
An antibiotic substance that kills bacterial cells by blocking off the β-subunit in RNA polymerase.

rifametane
The antibiotic 3-azinomethyl-rifamycin.

rifampicin
A reddish-brown semisynthetic antibiotic C₄₃H₅₈N₄O₁₂ obtained from the bacterium Amycolaptosis mediterranei, used chiefly to treat tuberculosis, leprosy, and asymptomatic carriers of meningococci.

rifampicins
plural of rifampicin

rifampin
US form of rifampicin.

rifamycin
Any of a group of antibiotics, a subclass of the ansamycins, which are synthesized either naturally by the bacterium Amycolatopsis mediterranei or artificially.

rifamycins
plural of rifamycin

rifapentene
Misspelling of rifapentine.

rifapentine
An antibiotic drug used in the treatment of tuberculosis.

rifaximin
A semisynthetic antibiotic based on rifamycin.

rimocidin
A macrolide antifungal agent isolated from Streptomyces rimosus

ristocetin
A toxic antibiotic, obtained from Amycolatopsis lurida, previously used to treat staphylococcal infections

rokitamycin
A macrolide antibiotic synthesized from Streptomyces kitasatoensis bacteria.

rolitetracycline
A particular tetracycline antibiotic.

roxythromycin
Misspelling of roxithromycin.

rubidomycin
Alternative form of daunorubicin.

rubradirin
An ansamycin antibiotic present in some Streptomyces bacteria

rubromycin
Any of a class of natural products isolated from actinomycetes and having various antimicrobial and enzyme activity.

rubromycins
plural of rubromycin

rufloxacin
The antibiotic 7-fluoro-6-(4-methylpiperazin-1-yl)-10-oxo-4-thia-1-azatricyclo[7.3.1.0^(5,13)]trideca-5(13),6,8,11-tetraene-11-carboxylic acid.

rufochromomycin
Synonym of streptonigrin.

ruminococcin
Any of a class of lantibiotics produced by some bacteria of the genus Ruminococcus.

rutamycin
Any of a particular group of related macrolide antibiotics.

rutamycins
plural of rutamycin

saframycin
Any of a family of antitumor antibiotics, produced by Streptomyces lavendulae, that have a complex, polycyclic structure.

saframycins
plural of saframycin

salazosulfapyridine
Synonym of sulfasalazine.

salinomycin
An antibacterial and coccidiostat ionophore therapeutic drug.

salmycin
A siderophore-like antibiotic produced by Streptomyces violaceus

salnomycin
Misspelling of salinomycin.

salvarsan
The organoarsenic compound arsphenamine, formerly used in the treatment of syphilis and the first effective antibiotic developed against any bacterial illness.

salvarsans
plural of salvarsan

sanfetrinem
A beta-lactam antibiotic.

sangivamycin
A nucleoside antibiotic isolated from Streptomyces.

saquayamycin
Any of a group of aquayamycin antibiotics present in Streptomyces nodosus

saquayamycins
plural of saquayamycin

sarafloxacin
A quinolone antibiotic drug.

sarmoxicillin
A penicillin antibiotic.

sedecamycin
A macrolide antibiotic.

senfolomycin
Any of a group of glycosylated antibiotics related to the paulomycins

senfolomycins
plural of senfolomycin

sepazolin
Synonym of cefazolin.

septrin
The antibiotic sulfamethoxazole

showdomycin
A nucleoside antibiotic isolated from Streptomyces showdoensis.

sibiromycin
The antitumour antibiotic (6R,6aS)-2-[(2S,3R,4R,5S,6S)-3,4-dihydroxy-4,6-dimethyl-5-(methylamino)oxan-2-yl]oxy-4,6-dihydroxy-3-methyl-8-[(E)-prop-1-enyl]-5,6,6a,7-tetrahydropyrrolo[2,1-c][1,4]benzodiazepin-11-one

sideromycin
Any of a class of siderophore antibiotics produced by Actinomyces organisms.

sideromycins
plural of sideromycin

silvalactam
A macrolactam antibiotic produced by some strains of Streptomyces

simocyclinone
Any of a family of antibiotics that inhibit topoisomerase

simocyclinones
plural of simocyclinone

sinanomycin
netropsin

siomycin
Any of a group of peptide thiazole antibiotics isolated from the soil bacterium Streptomyces sioyaensis