Showing structure for [13,14,15,18,19,20,34,35-octahydroxy-2,10,23,28,31-pentaoxo-5-(3,4,5-trihydroxybenzoyloxy)-3,6,9,24,27,32-hexaoxaheptacyclo[28.6.1.0⁴,²⁵.0⁷,²⁶.0¹¹,¹⁶.0¹⁷,²².0³³,³⁷]heptatriaconta-1(36),11,13,15,17(22),18,20,33(37),34-nonaen-29-yl]acetic acid