2-chloro-1-(3,4-dihydroxyphenyl)ethanone 99-40-1 InChI=1/C8H7ClO3/c9-4-8(12)5-1-2-6(10)7(11)3-5/h1-3,10-11H,4H ethanone, 2-chloro-1-(3,4-dihydroxyphenyl)-