Argatroban Impurity 31

Argatroban Impurity 32 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 37 Argatroban Impurity 33

3-METHYL-8-QUINOLINESULFONIC ACID Argatroban Argatroban Impurity 34 Argatroban Impurity 7 Argatroban Impurity 8 HCl

Argatroban Impurity 41 (Mixture of Diastereomers) Argatroban Impurity 42 (Mixture of Diastereomers) Argatroban Impurity 30