67722-66-1

1-(13-AC-OCTAHYDRO-HEXAOXA-DIBENZO(A,J)CYCLOOCTADECEN-2-YL)-ETHANONE 1,1'-(6,7,9,10,17,18,20,21-octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecine-2,13-diyl)diethanone Ethanone, 1,1'-(6,7,9,10,17,18,20,21-octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecin-2,13-diyl)bis- 1,1'-(6,7,9,10,17,18,20,21-Octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecine-2,13-diyl)bis(ethan-1-one)