105881-84-3 53028-63-0 8050-02-0 8059-56-1 9002-04-4 9014-41-9 Bovine thrombin E.C. 3.4.21.5 E.C. 3.4.4.13 EINECS 232-648-7 Factor IIa Fibrinogenase Thrombase Thrombin Thrombin, topical Thrombin-C Thrombofort Tropotasin