A highly potent and selective platelet activating factor (PAF) antagonist; inhibits PAF-induced aggregation of rabbit and human platelets with IC50s of 33 nM and 55 nM respectively.

Deoxy euphorbia factor L1 is a natural product found in the seeds of Euphorbia lathyris L.

Dimethyl-d6 Sulfoxide is a form in which hydrogen ("H") of dimethyl sulfoxide (DMSO, (CH3) 2S = O) is replaced by another isotope deuterium ("d").