16958-11-5 4-((2,3-Dihydrobenzo(b)thien-3-ylidene)methyl)morpholine S,S-dioxide BRN 4733879 Morpholine, 4-((2,3-dihydrobenzo(b)thien-3-ylidene)methyl)-, S,S-dioxide Morpholine, 4-(benzo(b)thien-3(2H)-ylidenemethyl)-, S,S-dioxide (8CI) NSC 82169