Argatroban Impurity 37

3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonic acid (2S)-5-guanidino-2-(3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)pentanoic acid Argatroban Impurity 35 Argatroban Impurity A Argatroban Impurity 13

(2R,4R)-4-Methylpiperidine-2-carboxylic acid (2S-cis)-4-Methyl-2-piperidinecarboxylic Acid Ethyl Ester Argatroban Impurity 31 Argatroban Impurity 33 3-METHYL-8-QUINOLINESULFONIC ACID

Argatroban Impurity 34 Argatroban Impurity 7 Argatroban Impurity 32 Argatroban Impurity 42 (Mixture of Diastereomers) Argatroban Impurity 30

Argatroban Impurity 41 (Mixture of Diastereomers) Argatroban Impurity 8 HCl Argatroban Impurity 36