CAS No 134637-04-0 , 18H-16a,19-Metheno-16aH-benzo[e]naphtho[2,1-m][1,4]dioxacyclopentadecin-14-carboxylicacid, 4-[[4-O-[3-O-(3-chloro-6-hydroxy-2-methylbenzoyl)-2,6-dideoxy-b-D-arabino-hexopyranosyl]-2,6-dideoxy-b-D-arabino-hexopyranosyl]oxy]-1,2,3,4,4a,6a,7,8,9,10,12a,15,16,21,21a,21b-hexadecahydro-22-hydroxy-15,21a-dimethyl-18,21-dioxo-,(4S,4aS,6aR,11E,12aR,15R,16aS,21aR,21bR)- (9CI)