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isonicotinic acid
isonicotinic acid n. 
/ˌʌɪsə(ʊ)nɪkəˌtiːnɪk ˈasɪd/, /ˌaɪsoʊˌnɪkəˌtinɪk ˈæsəd/ [translating German isonicotinsäure (Weidel & Russo 1883, in Sitzungsber. d. K. Akad. d. Wissen. (Math.-Nat. Classe) LXXXVI. ii. 1172)] pyridine-4-carboxylic acid, (C5H4N)COOH, a crystalline compound used in the synthesis of isoniazid.
Brit. /ˌʌɪsə(ʊ)nɪkəˌtɪnɪk ˈasɪd/
, /ˌʌɪsə(ʊ)nɪkəˌtɪnɪk ˈasɪd//ˌʌɪsə(ʊ)nɪkəˌtiːnɪk ˈasɪd/U.S. /ˌaɪsoʊˌnɪkəˌtɪnɪk ˈæsəd/
, /ˌaɪsoʊˌnɪkəˌtɪnɪk ˈæsəd//ˌaɪsoʊˌnɪkəˌtinɪk ˈæsəd/ΘΚΠ
the world > matter > chemistry > organic chemistry > organic acids > [noun] > carboxylic acids > miscellaneous others
urobenzoic acid1836
adipic acid1838
azelaic acid1838
isethionic acid1838
rutinic acid1845
rutic acid1848
glyoxylic acid1856
malonic acid1859
piperic acid1863
butalanine1865
methacrylic acid1865
barbituric acid1866
pichuric acid1866
carboxylic acid1868
gluconic acid1871
xylic acid1872
xylidic acid1872
aconic acid1873
formobenzoic1873
nicotinic acid1873
hydracrylic acid1877
undecylenic acid1879
isonicotinic acid1883
isatoic acid1885
linolenic acid1887
hendecenoic acid1889
heptenoic acid1889
mannonic acid1890
phenolcarboxylic acid1893
naphthenic acid1894
aldonic acid1904
naphthaleneacetic acid1917
heptanoic acid1928
hexuronic acid1928
pantothenic acid1933
neuraminic acid1942
pantoic acid1945
penicillanic acid1953
mevalonic acid1957
retinoic acid1960
isobutyric acid-
1883 Jrnl. Chem. Soc. 44 484 In the form of sulphate it [sc. γ-dipyridyl] is easily oxidised by potassium permanganate, yielding pyridine-monocarboxylic or isonicotinic acid... This acid..forms a white crystalline mass melting at 307°.
1952 Biol. Abstr. 26 35208 Isonicotinic acid hydrazide..is effective against tuberculosis in the mouse.
1961 Biol. Abstr. 36 2299/1 (heading) Antituberculous activity of isonicotinic acid derivatives in vitro.
1972 Biochem. & Biophysical Res. Communications XLVIII. 58 (heading) In vitro inhibition of tRNA and protein methylation by nicotinamide and isonicotinic acid hydrazide.
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