ROXITHROMYCIN EP IMPURITY A

Specifications

Synonyms

(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-dideoxy-3-C-methyl-3-O-methyl-?-L-ribo-hexo pyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-?-D-xylohexopyranosyl]oxy] oxacyclotetradecane-2,10-dione; E-Base; E-Mycin; Erythromycin A; Aknemycin; Aknin; Emgel; Ery-Derm; Erymax; Ery-Tab; Erythromid; ERYC.