Erythromycin A 9-Oxime/Erythromycin Oxime Z-Isomer/(3R,4S,5S,6R,7R,9R,10Z,11S,12R,13S,14R)-6-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-10-(hydroxyimino)-4-(((2R,4R,5S,6S)-5-hydroxy-4-meth