5H-thiazolo[3,2-a]pyrimidine-3,5(2H)-dione, 6-[2-(4-hydroxyphenyl)ethenyl]-2-methyl- 6-[2-(4-hydroxyphenyl)vinyl]-2-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidine-3,5(2H)-dione InChI=1/C15H12N2O3S/c1-9-13(19)17-14(20)11(8-16-15(17)21-9)5-2-10-3-6-12(18)7-4-10/h2-9,18H,1H3/b5-2