IUPAC:2-cyclobutyl-17-ethyl-17-hydroxy-6,8-dioxa-12,22-diazahexacyclo[11.10.0.0^{3,11}.0^{5,9}.0^{14,22}.0^{16,20}]tricosa-1,3,5(9),10,12,14,16(20)-heptaene-18,21-dione
IUPAC:2-cyclobutyl-17-ethyl-17-hydroxy-6,8-dioxa-12,22-diazahexacyclo[11.10.0.0^{3,11}.0^{5,9}.0^{14,22}.0^{16,20}]tricosa-1,3,5(9),10,12,14,16(20)-heptaene-18,21-dione