Tulathromycin Impurity 4

Chemical Name: 11-((4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-13-((5-hydroxy-4-methoxy-4,6-dimethyl-5-((propylamino)methyl)tetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-1-oxa-6-azacyclopentadecan-15-one

Smile: O=C1C(C)C(OC2CC(C)(OC)C(CNCCC)(O)C(C)O2)C(C)C(OC3C(O)C(N(C)C)CC(C)O3)C(C)(O)CC(C)CNC(C)C(O)C(C)(O)C(CC)O1