Showing structure for (20z)-6,17,21,26-tetrachloropentacyclo[20.2.2.1¹⁰,¹⁴.1¹⁵,¹⁹.0²,⁷]octacosa-1(24),2,4,6,10,12,14(28),15(27),16,18,20,22,25-tridecaene-5,13,16,24-tetrol