(−)-Colombiasin A

(1S,5S,7S,8R,9S,14S)-12-Hydroxy-3,7,11,14-tetramethyltetracyclo[6.5.3.0~1,9~.0~5,9~]hexadeca-3,11-dien-10,13-dion

(1S,5S,7S,8R,9S,14S)-12-Hydroxy-3,7,11,14-tetramethyltetracyclo[6.5.3.0~1,9~.0~5,9~]hexadeca-3,11-diene-10,13-dione

(1S,5S,7S,8R,9S,14S)-12-Hydroxy-3,7,11,14-tétraméthyltétracyclo[6.5.3.0~1,9~.0~5,9~]hexadéca-3,11-diène-10,13-dione

(−)-Colombiasin A

1H-1,6a-Propanobenz[d]indene-7,10-dione, 2,3,3a,6-tetrahydro-8-hydroxy-2,5,9,11-tetramethyl-, (1R,2S,3aS,6aS,10aS,11S)-

colombiasin A