11-Oxo-9,12-alpha,13,17-tetrahydroxykauran-17(S)-al 1H-2,10a-Ethanophenanthrene, kauran-17-al deriv. 57743-92-7 Kauran-17-al, 9, 12,13,16-tetrahydroxy-11-oxo-, (12-alpha)- Kauran-17-al, 9,12,13,16-tetrahydroxy-11-oxo-, (12alpha)- (9CI) Phlebiakauranol aldehyde