. "10-(4-Dimethylamino-3-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-4-ethyl-7-fluoro-3a,7,9,11,13,15-hexamethyl-11-[5-(4-[1,2,3]thiadiazol-4-yl-phenyl)-pent-3-ynyloxy]-octahydro-3,5-dioxa-1-aza-cyclopentacyclotetradecene-2,6,8,14-tetraone" . "4c" . . . . . . . . . . . . .