1-Butanone, 1-(2,4,5-trihydroxyphenyl)- 1421-63-2 2',4',5'-Trihydroxybutyrophenone 2,4,5-Trihydroxybutyrophenone Butyrophenone, 2',4',5'-trihydroxy- NSC73478 THBP Usaf ek WLN: QR BQ DQ EV3