1-Thiochrome, oxime 15857-68-8 2,3-Dihydro-4H-1-benzothiopyran-4-one oxime 2,3-Dihydrobenzo(b)thiin-3-one, oxime 4H-1-Benzothiopyran-4-one, 2,3-dihydro-, oxime (9CI) 5-17-10-00016 (Beilstein Handbook Reference) BRN 0140955 EINECS 239-979-6 NSC 108687 Thiochroman-4-one, oxime