Anisindione is a synthetic anticoagulant and an indanedione derivative.?It prevents the formation of active procoagulation factors II, VII, IX, and X, as well as the anticoagulant proteins C and S, in the liver by inhibiting the vitamin K–mediated gamma-carboxylation of precursor proteins.

It is a small molecular drug, active to Ig heavy chain V-I region and Ig gamma-2 chain C region.

DSR-6434 has a strong antitumor effect. DSR-6434 is a potent and selective Toll-like receptor 7 (TLR7) agonist, with EC50s of 7.2 nM and 4.6 nM for human and mice TLR7, respectively.