19H-2,3,7-(1,3)Butadien(1)yl(4)ylidene-9,12-etheno-14,18-metheno-4H-pyrido(2,3,4-tu)-1,13,6-benzodioxaazacyclodocosine-20(19aH)-carboxaldehyde, 5,6,7,8,21,22-hexahydro-25-hydroxy-15,24,31,32-tetramethoxy-6-methyl-, (7S,19aS)- 74690-97-4