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                    | Tilmicosin |  
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			| Chemical Name: | 4a?-o-de(2,6-dideoxy-3-c-methyl-l-ribo-hexopyranosyl)-20-deoxo-20-(cis-3,5-dimethylpiperidino)-tylosin |  
			| Structural Formula: |  |  
			| Molecular Formula: | C46H80N2O13=869.13 |  
			| CAS NO: | 108050-54-0 |  
			| Properties: | white or similar to white powder, easily soluble in methanol; soluble in water; almost insoluble in normal hexane |  
			| Use: | strong inhibiting effect on Gram-positive/negative bacteria and mycoplasma |  
			| Quality Standard: | USP27 |  |  |  |  |  |