芸苔素内酯 [黄铜质, 油菜素内酯]，Brassinolide；≥80% (TLC)

别名：芸苔甾内酯；布拉西诺内酯；2α,3α,22R-四羟基-24-S-构型甲基-β-高-7-氧杂-5α胆淄烷-6酮；(1R,3aS,3bS,6aS,8S,9R,10aR,10bS,12aS)-1-[(1S,2R,3R,4S)-2,3-Dihydroxy-1,4,5-trimethylhexyl]hexadecahydro-8,9-dihydroxy-10a,12a-dimethyl-6H-benz[c]indeno[5,4-e]oxepin-6-one, (2a,3a,5a,22R,23R,24S)-2,3,22,23-Tetrahydroxy-B-homo-7-oxaergostan-6-one

Empirical Formula (Hill Notation): C28H48O6 分子量: 480.68 NACRES: NA.25