2-ethyl-6-[2-(4-hydroxyphenyl)vinyl]-5H-[1,3]thiazolo[3,2-a]pyrimidine-3,5(2H)-dione 5H-thiazolo[3,2-a]pyrimidine-3,5(2H)-dione, 2-ethyl-6-[2-(4-hydroxyphenyl)ethenyl]- InChI=1/C16H14N2O3S/c1-2-13-15(21)18-14(20)11(9-17-16(18)22-13)6-3-10-4-7-12(19)8-5-10/h3-9,13,19H,2H2,1H3/b6-3