N-[ (4-Fluorophenyl)methyl]-1,6-dihydro5-hydroxy-1-methyl-2-[1-methyl-1-[[ (5-methyl-1,3,4-oxadiazol-2-yl)carbonyl]amino]ethyl]-6-oxo-4pyrimidinecarboxamide monopotassium salt
Raltegravir potassium (substance)