IUPAC:(10R,11R,12E,17Z,19E,21S)-21-hydroxy-11,19-dimethyl-10-(propan-2-yl)-9,26-dioxa-3,15,28-triazatricyclo[23.2.1.0^{3,7}]octacosa-1(27),6,12,17,19,25(28)-hexaene-2,8,14,23-tetrone
IUPAC:(10R,11R,12E,17Z,19E,21S)-21-hydroxy-11,19-dimethyl-10-(propan-2-yl)-9,26-dioxa-3,15,28-triazatricyclo[23.2.1.0^{3,7}]octacosa-1(27),6,12,17,19,25(28)-hexaene-2,8,14,23-tetrone