2-({[(1S,8Z,10R,11S,14S,15S)-5,14-dihydroxy-15-methyltetracyclo[8.7.0.02,7.011,15]heptadeca-2,4,6-trien-8-ylidene]amino}oxy)acetic acid
2-({[(1S,10R,11S,14S,15S)-5,14-dihydroxy-15-methyltetracyclo[8.7.0.02,7.011,15]heptadeca-2,4,6-trien-8-ylidene]amino}oxy)acetic acid