13-chloro-12,14-dioxa-13-phosphapentacyclo[13.8.0.0²,¹¹.0³,⁸.0¹⁸,²³]tricosa-1(15),2(11),3(8),4,6,9,16,18(23),19,21-decaene

13-chloro-12,14-dioxa-13-phosphapentacyclo[13.8.0.0²,¹¹.0³,⁸.0¹⁸,²³]tricosa-1(15),2(11),3(8),4,6,9,16,18(23),19,21-decaene