IUPAC:(4R)-4-[(1R,4S,5E,7S,9S,12Z,16R,18S)-18-hydroxy-4,12-dimethyl-14-oxo-8,15,19-trioxatricyclo[14.3.1.0^{7,9}]icosa-5,12-dien-18-yl]-1,3-thiazolidin-2-one
IUPAC:(4R)-4-[(1R,4S,5E,7S,9S,12Z,16R,18S)-18-hydroxy-4,12-dimethyl-14-oxo-8,15,19-trioxatricyclo[14.3.1.0^{7,9}]icosa-5,12-dien-18-yl]-1,3-thiazolidin-2-one