Showing structure for {13,28-dihydroxy-3,4,18-trimethyl-24,26-dioxo-27-oxa-21-thiatetracyclo[23.2.1.0¹,⁶.0¹⁹,²³]octacosa-4,8,10,15,25(28)-pentaen-20-yl}(oxo)acetic acid