Synonyms: 9,10-Ethanocyclopropa[5,6]cycloundeca[1,2-b]furan-2,13(1H)-dione,6,11,12-tris(acetyloxy)-4-chloro-3a,4,5,6,8a,9,9a,10,11,11a-decahydro-11a-hydroxy-1,9a,12-trimethyl-5-methylene-,[1R-(1R*,3aR*,4S*,6S*,7E,8aS*,9R*,9aR*,10S*,11S*,11aR*,12S*)]-; Erythrolide A