Propanoic acid, 3-(octylthio)-, 3-[2-[[(5,5-dimethyl-2,4-dioxo-3-oxazolidinyl)[2-[3-(dodecyloxy)propyl]-1, 1-dioxido-2H-1,2,4-benzothiadiazin-3-yl]acetyl]amino]phenoxy]propyl ester