18H-16a,19-Metheno-16aH-benzo[e]naphtho[2,1-m][1,4]dioxacyclopentadecin-14-carboxylicacid, 4-[[(2x)-4-O-[4-O-(3-chloro-6-hydroxy-2-methylbenzoyl)-2,6-dideoxy-b-D-arabino-hexopyranosyl]-6-deoxy-b-D-arabino-hexopyranosyl]oxy]-1,2,3,4,4a,6a,7,8,9,10,12a,15,16,21,...