AZITHROMYCINDIHYDRATE(PATENTED-NOSUPPLY)

N-METHYL-11,AZA-10,DEOXO-10, DIHYDROERYTHROMYcIN A DIHYDRATE

1-Oxa-6-azacyclopentadecan-15-one, 13-(2,6-dideoxy-3-C-methyl-3-O-methyl-.alpha.-L-ribo-hexopyranosyl)oxy-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-11-3,4,6-trideoxy-3-(dimethylamino)-.beta.-D-xylo-hexopyranosyloxy-, dihydrate, (2R,3S,4R,5R,8

1-Oxa-6-azacyclopentadecan-15-one, 13-[(2,6-dideoxy-3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-, dihydrate, (2R,3S,4R,5R,8R,10R