IUPAC:(5R,6Z,8Z,10Z,13S,14R,15R,16Z)-15-hydroxy-5-methoxy-14,16-dimethyl-3,22,24-trioxo-2-azabicyclo[18.3.1]tetracosa-1(23),6,8,10,16,20-hexaen-13-yl (2R)-2-(3-methylbutanamido)propanoate
IUPAC:(5R,6Z,8Z,10Z,13S,14R,15R,16Z)-15-hydroxy-5-methoxy-14,16-dimethyl-3,22,24-trioxo-2-azabicyclo[18.3.1]tetracosa-1(23),6,8,10,16,20-hexaen-13-yl (2R)-2-(3-methylbutanamido)propanoate