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SPM04: Spiramycin EP Impurity D Amount:Custom (Please click Request for quote to specify)Spiramycin V ; (4R,5S,6S,7R,9R,10R,11E,13E,16R) 6 [[3,6 Dideoxy 4 O (2,6 dideoxy 3 C methyl L ribo hexopyranosyl) 3 (dimethylamino) D glucopyranosyl]oxy] 10 [(2,6 dideoxy 3 C methyl L ribo hexopyranosyl)oxy] 4 hydroxy 5 methoxy 9,16 dimethyl 7 (2 oxoethyl) oxacyclohexadeca 11,13 dien 2 one ; C42H71NO16 ; Mol. Wt.: 846. 01 ;

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