4-27-00-00286 (Beilstein Handbook Reference) 5399-06-4 BRN 0216145 Morpholine, 4-(2-(2-naphthalenyl)-1-thioxoethyl)- (9CI) Morpholine, 4-(2-naphthylthioacetyl)- N-(2-Naphthylthioacetyl)morpholine NSC 3754