7-Hydroxy-3-(4-methoxyphenyl)-4H-1-benzopyran-4-one-13CD3; 7-Hydroxy-4'-methoxy- isoflavone-13CD3; 7-Hydroxy-3-(4-methoxyphenyl)chromen-4-one-13CD3; 7-Hydroxy-4'-methoxyisoflavone-13CD3; Biochanin B-13CD3; Daidzein 4'-methyl ether-13CD3; Flavosil-13CD3; Formonentin-13CD3; Formonetin-13CD3; Formononetol-13CD3; Myconate-13CD3; NSC 93360-13CD3;,Formononetin Stable Isotopes