benzoic acid 4-dimethylamino-2-(11-ethyl-8-fluoro-2,4,6,8,12,19-hexamethyl-7,9,14-trioxo-4-prop-2-ynyloxy-10,13-dioxa-15,18-diaza-tricyclo[10.6.2.015,20]eicos-1(18)-en-5-yloxy)-6-methyl-tetrahydro-pyran-3-yl ester