Milbemycin Oxime (Mixture Of Milbemycin Oxime A3 And A4)

(2R,2a'E,2a1'S,4'E,5S,6R,6'R,8'E,11'R,15'S,17a'R,20'Z,20a'R) -2a1'-hydroxy-20'- (hydroxyimino) -5,6,6',8',19'-pentamethyl-2a1',3,4,5,6,6',7',10',11',14',15',17a',20',20a'-tetradecahydro-2'H,17'H-spiro[pyran-2,13'-[11,15]methano[1,5]dioxacyclooctadecino[9,8,7-cd]benzofuran]-17'-one and (2R,2a'E,2a1'S,4'E,5S,6R,6'R,8'E,11'R,15'S,17a'R,20'Z,20a'R) -6-ethyl-2a1'-hydroxy-20'- (hydroxyimino) -5,6',8',19'-tetramethyl-2a1',3,4,5,6,6',7',10',11',14',15',17a',20',20a'-tetradecahydro-2'H,17'H-spiro[pyran-2,13'-[11,15]methano[1,5]dioxacyclooctadecino[9,8,7-cd]benzofuran]-17'-one

(2R,2a'E,2a1'S,4'E,5S,6R,6'R,8'E,11'R,15'S,17a'R,20'Z,20a'R) -2a1'-hydroxy-20'- (hydroxyimino) -5,6,6',8',19'-pentamethyl-2a1',3,4,5,6,6',7',10',11',14',15',17a',20',20a'-tetradecahydro-2'H,17'H-spiro[pyran-2,13'-[11,15]methano[1,5]dioxacyclooctadecino[9,8,7-cd]benzofuran]-17'-one and (2R,2a'E,2a1'S,4'E,5S,6R,6'R,8'E,11'R,15'S,17a'R,20'Z,20a'R) -6-ethyl-2a1'-hydroxy-20'- (hydroxyimino) -5,6',8',19'-tetramethyl-2a1',3,4,5,6,6',7',10',11',14',15',17a',20',20a'-tetradecahydro-2'H,17'H-spiro[pyran-2,13'-[11,15]methano[1,5]dioxacyclooctadecino[9,8,7-cd]benzofuran]-17'-one