4-((Benzyl)amino)-9-(diethylamino)spiro(12H-benzo(a)xanthene-12,1'(3'H)-isobenzofuran)-3'-one 4-Benzylamino-8-diethylaminobenzo(a)fluoran 68134-60-1 EINECS 268-756-6 Spiro(12H-benzo(a)xanthene-12,1'(3'H)-isobenzofuran)-3'-one, 9-(diethylamino)-4-((phenylmethyl)amino)-