英文别名(3R)-3-cyclopentyl-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)pyrazol-1-yl]propanoic acid; Ruxolitinib Impurity 3; (betaR)-beta-Cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazole-1-propanoic acid; 1H-Pyrazole-1-propanoic acid, beta-cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-, (betaR)-; beta-Cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazole-1-propanoic acid, (betaR)-; Lucitinib Impurity 3; (R)-3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyclopentylpropionic acid; Ruxolitinib Impurity 05 
