ibafloxacin
A quinolone antibiotic drug used in veterinary medicine.

iclaprim
A diaminopyrimidine dihydrofolate reductase inhibitor being developed for the treatment of skin and tissue infections caused by antibiotic-resistant bacteria.

ikarugamycin
A macrocyclic antibiotic isolated from some species of Streptomyces

illudin
Any of a family of sesquiterpenes with antitumor antibiotic properties produced by some mushrooms.

illudins
plural of illudin

imipenem
A broad-spectrum beta-lactam antibiotic.

imipenems
plural of imipenem

immucillin
Any of a group of compounds that inhibit purine nucleoside phosphorylases

immucillins
plural of immucillin

immunomycin
ascomycin

indolicidin
An oligopeptide that shows antibacterial activity

indolicidins
plural of indolicidin

indolmycin
A particular antibacterial drug

inomycin
Misspelling of ionomycin.

iododoxorubicin
An anthracycline antitumor antibiotic that is also used to treat amyloidosis

ionomycin
An ionophore produced by the bacterium Streptomyces conglobatus, used in research relating to calcium in the body.

ionomycine
Alternative form of ionomycin.

irgasan
triclosan

irloxacin
A quinolone antibiotic.

isepamicin
An aminoglycoside antibiotic.

isoniazid
A synthetic, crystalline compound, C₆H₇N₃O, (trademarks Hydra, Hyzyd, Isovit, Laniazid, Nydrazid, Rimifon, Stanozide) used as a bacteriostatic medication in the prevention and treatment of tuberculosis.

isoniazide
Alternative form of isoniazid

isoniazids
plural of isoniazid

isonicotinohydrazide
Synonym of isoniazid.

isopenicillin
A cyclic isomer of penicillin.

isopenicillins
plural of isopenicillin

jadomycin
Any of a family of polyketide antibiotics isolated from the soil microbe Streptomyces venezuelae.

jadomycins
plural of jadomycin

josamycin
A kind of macrolide antibiotic.

juglomycin
Any of a family of naphthoquinone antibiotics produced by various strains of Streptomyces.

juglomycins
plural of juglomycin

kakadumycin
Any of a class of antibiotics obtained from Streptomyces bacteria growing on Grevillea pteridifolia.

kakadumycins
plural of kakadumycin

kalafungin
A particular antifungal antibiotic.

kanamycin
A broad-spectrum aminoglycoside antibiotic from a Japanese soil streptomyces (Streptomyces kanamyceticus), used to treat severe bacterial infections and tuberculosis.

kanamycine
Alternative form of kanamycin.

kanamycines
plural of kanamycine

kanamycins
plural of kanamycin

karwinaphthol
Any of several benzoisochromanequinones, extracted from bulbs of Eleutherine bulbosa, that have limited antibiotic activity.

karwinaphthols
plural of karwinaphthol

kasugamicin
Misspelling of kasugamycin.

kasugamycin
An aminoglycoside antibiotic, originally isolated from Streptomyces kasugaensis

katanosin
Any of a class of cyclic depsipeptide antibiotics isolated from bacteria of the genus Lysobacter.

katanosins
plural of katanosin

kedarcidin
A particular chromoprotein antibiotic

kendomycin
An anticancer macrolide present in Streptomyces violaceoruber

ketolide
Any ketone derivative of a macrolide, some of which are antibiotics

ketolides
plural of ketolide

kijanimicin
An antibiotic produced by the actinobacterium Actinomadura kijaniata

kinamycin
Any of a group of bacterial polyketide secondary metabolites containing a diazo group, known for their cytotoxicity.

kinamycins
plural of kinamycin

kirromycin
An antibiotic that inhibits protein biosynthesis

kitasamycin
A macrolide antibiotic produced by Streptomyces kitasatoensis bacteria.

kuraridin
A flavonoid antibiotic found in Sophora flavescens

kylomycin
A particular antibiotic

labyrinthopeptin
Any of a class of lantibiotic peptides produced by the actinomycete Actinomadura

labyrinthopeptins
plural of labyrinthopeptin

lactamase
Any enzyme that catalyzes the opening of a lactam ring, especially one that deactivates a lactam-containing antibiotic

lactamases
plural of lactamase

lactidomycin
Misspelling of lactimidomycin.

lactimidomycin
A particular glutarimide antibiotic

lactoquinomycin
A particular quinoid antibiotic that has anticancer properties

laidlomycin
A particular antibiotic.

lajollamycin
An antibiotic derived from salinosporamide A.

landomycin
Any of a group of antibiotics that are glycosides of landomycinone and a hexasaccharide

landomycins
plural of landomycin

lankacidin
Any of a family of macrolide tetraenes, isolated from Streptomyces, that are antitumor antibiotics.

lankacidins
plural of lankacidin

lankamycin
A macrolide antibiotic produced by Streptomyces violaceusniger (correction of Streptomyces voilaceoniger)

lanthibiotic
Misspelling of lantibiotic.

lanthiopeptin
A peptide antibiotic produced by Streptomyces cinnamoneus

lantibiotic
Any of a class of peptide antibiotics that contain polycyclic thioether amino acids as well as the unsaturated amino acids dehydroalanine and 2-aminoisobutyric acid.

lantibiotics
plural of lantibiotic

lasalocid
A particular antibacterial agent and coccidiostat.

lassomycin
A cyclic peptide that has antibiotic activity

latamoxef
A particular oxacephem antibiotic

laterocidin
A cyclodecapeptide antibiotic present in Bacillus laterosporus

lavamisol
Misspelling of levamisole.

lavendamycin
A polycyclic heterocycle present in some soil bacteria

lefamulin
A particular antibiotic

leinamycin
A macrolide polyketide, produced by several species of Streptomyces atroolivaceus, that has antitumour activity.

leinamycins
plural of leinamycin

lenampicillin
A prodrug of ampicillin.

lenapenem
A particular carbapenem antibiotic.

leptomycin
Any of a family of antibiotics produced by Streptomyces bacteria.

leptomycins
plural of leptomycin

leucinostatin
Any of a family of antimicrobial and antitumor antibiotics obtained from Paecilomyces

leucinostatins
plural of leucinostatin

leucomycin
Synonym of kitasamycin.

leucomycins
plural of leucomycin

levamisol
Alternative form of levamisole.

levamisole
A synthetic imidazothiazole derivative whose hydrochloride is used as an antibiotic.

levamisoles
plural of levamisole

levamizole
Alternative form of levamisole.

levimasole
Alternative form of levamisole.

levofloxacin
A broad-spectrum fluoroquinolone antibacterial agent (trademark Levaquin) that is the levorotatory isomer of ofloxacin.

levomycetin
The antibiotic chloramphenicol

levonadifloxacin
An antibiotic drug of the fluoroquinolone class.

lexitropsin
Any of a class of semisynthetic DNA-binding ligands, several of which are antibiotics

lexitropsins
plural of lexitropsin

lexofloxacin
Misspelling of levofloxacin.

lichenicidin
A lantibiotic isolated from Bacillus licheniformis

licomycin
Alternative form of lincomycin.

lidamycin
An enediyne antitumor antibiotic

lincomycin
A lincosamide antibiotic derived from Streptomyces lincolnensis.

lincomycins
plural of lincomycin

lincomysin
Misspelling of lincomycin.

lincosamide
Any of a class of antibiotics including lincomycin and clindamycin.

lincosamides
plural of lincosamide

linearmycin
Any of a group of long linear polyene antibiotics present in a Streptomyces

linearmycins
plural of linearmycin

linezolid
A synthetic antibiotic of the oxazolidinone class.

lipiarmycin
fidaxomicin

lipoglycopeptide
Any of a class of antibiotics with lipophilic side chains linked to glycopeptides.

lipoglycopeptides
plural of lipoglycopeptide

liponucleoside
Any of a group of fatty acid derivatives of nucleosides, many of which are antibiotics

liponucleosides
plural of liponucleoside

liposidomycin
Any of a group of nucleoside antibiotics produced by Escherichia coli.

liposidomycins
plural of liposidomycin

lisostaphine
Misspelling of lysostaphin.

lividomycin
An aminoglycoside antibiotic.

lomefloxacin
A fluoroquinolone antibiotic.

lomofungin
The antibiotic methyl 6-formyl-4,7-dihydroxy-9-oxo-5H-phenazine-1-carboxylate

loracarbef
A carbacephem antibiotic.

losoxantrone
An anthrapyrazole antibiotic.

lucensomycin
lucimycin