TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The asymmetrical non-cyclic carbonate ester is selected from the group which consists of methyl-ethyl carbonate ester, methylpropyl carbonate ester, ethyl propyl carbonate ester and methylbutyl carbonate ester.

RA00AM K U; RA00AZ K U; RA00AX K U; RA00AW K U