pubmed-article:19350486 | pubmed:abstractText | Two new atisane-type diterpenoid glucosides, spiraeosides A (1) and B (2), were isolated from the aerial parts of Spiraea japonica L. f. var. ovalifolia. Their structures were characterized based on spectral analysis, and the structure of 1 was further confirmed by single-crystal X-ray diffraction. | lld:pubmed |