Lesinurad Impurity 23

Lesinurad Impurity 18 Lesinurad Impurity 10 Lesinurad Impurity 29 Lesinurad Impurity 5 Sodium Salt 3-bromo-4-(4-cyclopropylnaphthalen-1-yl)-1H-1,2,4-triazole-5(4H)-thione

N-(4-Cyclopropyl-1-naphthalenyl)-2-formylhydrazinecarbothioamide lesinurad int RDEA 594 Lesinurad Impurity 38 Lesinurad Impurity 32 (Mixture of Isomers)

Lesinurad Impurity J Lesinurad Impurity H Lesinurad Impurity 24 Lesinurad Impurity N 1-cyclopropylnaphthalene

Lesinurad Impurity 27 Lesinurad Impurity 22 Lesinurad Impurity 4