IUPAC: (7R,8R,12S,13R)-22-chloro-3,8,28-trihydroxy-7,12,21-trimethoxy-6-methyl-14,16,19-trioxa-6-azaheptacyclo[15.11.1.0^{2,11}.0^{4,9}.0^{13,29}.0^{18,27}.0^{20,25}]nonacosa-1(29),2,4(9),10,17,20,22,24,27-nonaene-5,26-dione
IUPAC: (7R,8R,12S,13R)-22-chloro-3,8,28-trihydroxy-7,12,21-trimethoxy-6-methyl-14,16,19-trioxa-6-azaheptacyclo[15.11.1.0^{2,11}.0^{4,9}.0^{13,29}.0^{18,27}.0^{20,25}]nonacosa-1(29),2,4(9),10,17,20,22,24,27-nonaene-5,26-dione