2-(Hexopyranosyloxy)-1-((9,12,15-octadecatrienoyloxy)methyl)ethyl 4,7,10,13-hexadecatetraenoate AIDS-135324 AIDS135324 Glycerol, .sn.-, {1-O-[octadeca-(9Z,12Z,15Z)-trienoyl]-2-O-} {[hexadeca-(4Z,7Z,10Z,13Z)-tetraenoyl]-3-O-.beta.-galacto-} pyranosyl- NSC634803