123278-17-1 Acetic acid, 2,2'-((3,6-dichloro-9-oxo-9H-fluorene-2,7-diyl)bis(oxy))bis-, dipropyl ester BRN 3635635 Dipropyl 2,2'-((3,6-dichloro-9-oxo-9H-fluorene-2,7-diyl)bis(oxy))bisacetate