Compounds derived from N-acetyl-nor-muramyl-L-alanyl-D- isoglutamic acid and other compounds and biologically active compositions containing such compounds

摘要

The invention relates to water-soluble biologically active agents, having anti-infectious and adjuvant properties. They have the general formula ##STR1## wherein X, Y, Z, R.sub.2, R.sub.4 and R.sub.6 have the meanings defined in claim 1. The invention also relates to pharmaceutical compositions containing these compounds in association with a pharmaceutical vehicle, particularly an oil-free one.