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6,9-Metheno-9H-1,3-dioxino[4,5,6-uv][4]benzazacyclotricosine-20-carboxylicacid,7-(acetyloxy)-5,10,11,16,17,18,19,20,21,22,23,24-dodecahydro-16,17,19,21,23,24,27-heptahydroxy-4,8,12,16,18,22,24,26-octa cas 11031-85-9Appearance:white crystalline powde