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1H-8,9,13-[1,3]Butadien[1]yl[4]ylidene-4,6:15,18-dietheno-20,24-metheno-10H-pyrido[2,3-t][1,13,6]dioxaazacyclotricosine-21,33-diol,2,3,11,12,13,14,25,25a-octahydro-31,32-dimethoxy-1,12-dimethyl-, (13R related products: