(13R)-7β-Hydroxy-1α,9α-(dimethylaminomethylenedioxy)-6β-[(3-dimethylaminopropylamino)carbonyloxy]-8α,13-epoxylabd-14-en-11-one | (13R)-7β-Hydroxy-1α,9α-(dimethylaminomethylenedioxy)-6β-[(3-dimethylaminopropylamino)carbonyloxy]-8α,13-epoxylabd-14-en-11-one | |