(S)-2,3-Dihydro-5,7-dihydroxy-2-(4-hydroxy-3-methoxy-5-(3-methyl-2-butenyl)phenyl)-4H-1-benzopyran-4-one 114340-00-0 2,3-Dihydro-5,7-dihydroxy-2-(4-hydroxy-5-methoxy-3-(3-methyl-2-butenyl)phenyl)-4H-1-benzopyran-4-one 4H-1-Benzopyran-4-one, 2,3-dihydro-5,7-dihydroxy-2-(4-hydroxy-3-methoxy-5-(3-methyl-2-butenyl)phenyl)-, (S)- SBMET Sigmoidin B 3'-methyl ether