2-pyrrolidinone, 5-hydroxy-1-(4-hydroxyphenyl)- 5-hydroxy-1-(4-hydroxyphenyl)pyrrolidin-2-one InChI=1/C10H11NO3/c12-8-3-1-7(2-4-8)11-9(13)5-6-10(11)14/h1-4,9,12-13H,5-6H