Which of the following is NOT a LMWH?

Correct option is C

LMWH stands for Low Molecular Weight Heparin. Drugs like enoxaparin, dalteparin, and reviparin are examples of LMWHs used to prevent blood clots. Warfarin, however, is an oral anticoagulant classified as a vitamin K antagonist, not a heparin derivative.
Explanation of options: (a) ✘ Enoxaparin – A commonly used LMWH. (b) ✘ Dalteparin – Another LMWH used for anticoagulation. (c) ✔ Warfarin – Not an LMWH; it is an oral vitamin K antagonist. (d) ✘ Reviparin – An LMWH used for thromboprophylaxis.