(1R,11S,18S,20R,21R,22S)-12-oxa-8,17-diazaheptacyclo[15.5.2.01,18.02,7.08,22.011,21.015,20]tetracosa-2,4,6,14-tetraen-9-one hydrochloride
(1R,11S,18S,20R,21R,22S)-12-oxa-8,17-diazaheptacyclo[15.5.2.0¹,¹⁸.0²,⁷.0⁸,²².0¹¹,²¹.0¹⁵,²⁰]tetracosa-2,4,6,14-tetraen-9-one hydrochloride