2-ethyl-2,3-dihydro-4H-thiochromen-4-one 4H-1-benzothiopyran-4-one, 2-ethyl-2,3-dihydro- InChI=1/C11H12OS/c1-2-8-7-10(12)9-5-3-4-6-11(9)13-8/h3-6,8H,2,7H2,1H