SMILES: C[C@@H]([C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC(=O)[C@@H]4[C@@]3(C[C@H]([C@H](C4)O)O)C)C)[C@H]([C@@H]([C@@H](C)C(C)CO)O)O
Description: The molecule is a brassinosteroid that is castasterone carrying an additional hydroxy substituent at position 26. It has a role as a plant metabolite. It is a brassinosteroid, a 22-hydroxy steroid, a 23-hydroxy steroid, a 2alpha-hydroxy steroid, a 3alpha-hydroxy steroid, a 6-oxo steroid and a 26-hydroxy steroid. It derives from a castasterone.