Synonyms: Ethyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)-1H-pyrazolo(3,4-b)pyridine-1-propionate;1H-Pyrazolo(3,4-b)pyridine-1-propanoic acid, 3-(3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl)-,ethyl ester;3-(3,5-Di-tertiary-butyl-4-hydroxyphenyl)-1-(2-ethoxycarbonylethyl)-1H-pyrazolo(3,4-b)pyridine;AC1NX92R;LS-129156;114335-22-7;ethyl 3-[3-(3,5-ditert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)-2H-pyrazolo[3,4-b]pyridin-1-yl]propanoate