1(2H)-NAPHTHALENONE, 2-[(3-ETHYL-2(3H)-BENZOTHIAZOLYLIDENE)ETHYLIDENE]-3,4-DIHYDRO-;(2E)-2-[(2Z)-2-(3-ETHYL-1,3-BENZOTHIAZOL-2(3H)-YLIDENE)ETHYLIDENE]-3,4-DIHYDRONAPHTHALEN-1(2H)-ONE
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