4H-1-Benzopyran-4-one, 2,3-dihydro-3,5,7-trihydroxy-3-[(4-methoxyphenyl)methyl]-, (R)-4H-1-Benzopyran-4-one, 2,3-dihydro-3,5,7-trihydroxy-3-[(4-methoxyphenyl)methyl]-, (R)-B23231 · CAS 118204-64-1HPLC≥98%¥4800.00 / 5mg 起选规格