4-o-[(2s,3r,4s,6r)-4-(dimethylamino)-2-[[(3r,4s,5s,6r,7r,9s,11r,12r,13s,14r)-14-ethyl-9-fluoro-7,12,13-trihydroxy-4-[(2r,4r,5s,6s)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,7,9,11,13-hexamethyl-2,10-dioxo-oxacyclotetradec-6-yl]oxy]-6-methyloxan-3-yl] 1-o-ethyl butanedioate has the chemical formula C43H74FNO16. With an average molecular weight of 880.00 g/mol, 4-o-[(2s,3r,4s,6r)-4-(dimethylamino)-2-[[(3r,4s,5s,6r,7r,9s,11r,12r,13s,14r)-14-ethyl-9-fluoro-7,12,13-trihydroxy-4-[(2r,4r,5s,6s)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,7,9,11,13-hexamethyl-2,10-dioxo-oxacyclotetradec-6-yl]oxy]-6-methyloxan-3-yl] 1-o-ethyl butanedioate is a heavy molecule.