2-[(1S,2R,9R,10S,11S,13R,14R,15S,17S)-9-chloro-17-hydroxy-2,13,15-trimethyl-5-oxo-14-(propanoyloxy)tetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-3,6-dien-14-yl]-2-oxoethyl propanoate
2-[(1S,2R,9R,10S,11S,13R,14R,15S,17S)-9-chloro-17-hydroxy-2,13,15-trimethyl-5-oxo-14-(propanoyloxy)tetracyclo[8.7.0.02,7.011,15]heptadeca-3,6-dien-14-yl]-2-oxoethyl propanoate