Chemical Name : (3S,4R,5S,8R,12S,14S,15R,16S,18R,19S,26aS,E)-3-{(E)-1-[(1R,3R,4S)-4-Chloro-3-methoxycyclohexyl]prop-1-en-2-yl}-8-ethyl-5,19-dihydroxy-14,16-dimethoxy-4,10,12,18-tetramethyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-3H-15,19-epoxypyrido[2,1-c][1]oxa[4]azacyclotricosine-1,7,20,21(4H,23H)-tetraone