Chemical Name : 15,19-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, 3-[(1E)-2-[(1R,3R,4S)-4-chloro-3-methoxycyclohexyl]-1-methylethenyl]-5,6,8,11,12,13, 14 ,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-14,16-dimethoxy-4,8, 10, 12,18-pentamethyl-, (3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19R,26aS)