(p-Hydroxyphenyl) 2-pyridyl ketone 2-(p-Hydroxybenzoyl)pyridine 33077-70-2 5-21-12-00521 (Beilstein Handbook Reference) BRN 1527976 EINECS 251-368-6 KETONE, (p-HYDROXYPHENYL) 2-PYRIDYL Pyridine, 2-(p-hydroxybenzoyl)- p-Hydroxyphenyl 2-pyridyl ketone