L-Alaninamide, N-(N-acetylmuramoyl)-L-alanyl-D-.alpha.- glutaminyl-N-[4-hydroxy-10-oxo-7-[(1-oxohexadecyl)oxy]-3,5,9-trioxa-4-phosphapentacos-1-yl]-, P-oxide, (R)- Muramyl Tripeptide-PE-Liposome Encapsulated (MTP-PE) (Ciba-Geigy) NSC628280