Showing structure for 4,14-dioxaheptacyclo[10.8.1.1²,⁷.0³,⁵.0¹³,¹⁵.0¹⁷,²¹.0¹¹,²²]docosa-1(20),7(22),8,10,17(21),18-hexaene-6,8,16,18-tetrol