Chemical Name : : (4R,5R,7S,8R,9S,11S,15R,18S,21R,E)-18-((2S,3S,E)-5-((1R,3R,4S)-4-Chloro-3- methoxycyclohexyl)-3-hydroxy-4-methylpent-4-en-2-yl)-15-ethyl-4-hydroxy-7,9- dimethoxy-5,11,13-trimethyl-19,26-dioxa-1-azatricyclo[19.3.1.14,8]hexacos-13-ene2,3,16,20-tetraone