英文别名Ibudilast Impurity; Ibudilast Impurity 1; 6,7-dihydroxyisobutylast; 1-Propanone, 1-[6,7-dihydro-6,7-dihydroxy-2-(1-methylethyl)pyrazolo[1,5-a]pyridin-3-yl]-2-methyl-; 6,7-Dihydrodiolibudilast; 6,7-dihydrodiol; 1-(6,7-Dihydroxy-2-isopropyl-6,7-dihydro-pyrazolo[1,5-a]pyridin-3-yl)-2-methyl-propan-1-one