(2R-trans)-3-(Acetyloxy)-2,3-dihydro-5,7-dihydroxy-2-phenyl-4H-1-benzopyran-4-one 4H-1-Benzopyran-4-one, 3-(acetyloxy)-2,3-dihydro-5,7-dihydroxy-2-phenyl-, (2R-trans)- 52117-69-8 Pinobanksin-3-acetate