147705-17-7 2'-(Dibenzylamino)-6'-(diethylamino)spiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one 34372-72-0 EINECS 251-971-4 Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2'-(bis(phenylmethyl)amino)-6'-(diethylamino)-