Triazanium;[(2r,3r,5r)-5-(6-aminopurin-9-yl)-2-[[[[(3r)-4-[[3-(2-hexadecanoylsulfanylethylamino)-3-oxopropyl]amino]-3-hydroxy-2,2-dimethyl-4-oxobutoxy]-oxidophosphoryl]oxy-oxidophosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl] Hydrogen Phosphate