IUPAC:(3E,5S,7R,8R,10R,11R,12S,15R,16S,18Z,25S)-11-ethyl-28-hydroxy-10-methyl-21,26-diazapentacyclo[23.2.1.0^{5,16}.0^{7,15}.0^{8,12}]octacosa-1(28),3,13,18-tetraene-2,20,27-trione
IUPAC:(3E,5S,7R,8R,10R,11R,12S,15R,16S,18Z,25S)-11-ethyl-28-hydroxy-10-methyl-21,26-diazapentacyclo[23.2.1.0^{5,16}.0^{7,15}.0^{8,12}]octacosa-1(28),3,13,18-tetraene-2,20,27-trione