Argatroban is an anticoagulant that directly interferes with the clotting cascades required to create a blood clot by suppressing the activity of Thrombin. (As further explained on the Coagulation page, thrombin is essential to the formation of blood clots.)
Argatroban is partially made up of two types of asymetric carbon. The first of these types has been labelled stereoisomer Type 1 and has an unspecified R configuration. The second type has an S configuration and is called stereoisomer Type 2. Argatroban contains both of these two types mixed together in the ratio 65:35 (R:S).
the diagram to the left shows the chemical structure of Argatroban
image from...
http://www.argatroban.com
/clinic_03.htm
The overly cumbersome chemcial name of Argatroban is...
1-[5-[(aminoiminomethyl) amino]-1-OXO-2-[[(1,2,3,4-tetrahydro-3-methyl-8-quinolinyl) sulfony] amino] pentyl]-4-methyl-2-piperidinecarboxylic acid monohydrate
(This is the chemical name according to www.rxlist.com.)