(3R,5S,6E)-7-[2-cyclopropyl-4-(4-fluorophenyl)-3-quinolyl]-2,2-Dimethyl-1,3-dioxane-6- heptenoic acid,1,1-dimethylethyl ester (3R,5S,6E)-7-[2-环丙基-4-(4-氟苯基)-3-喹啉-基]-2,2-二甲基-1,3-二氧六环-6-庚烯酸叔丁酯