2,3,7-Trihydroxy-9-phenyl-6-fluorone 2,6,7-Trihydroxy-9-phenylxanthen-3-one 3H-Xanthen-3-one, 2,6,7-trihydroxy-9-phenyl- 9-Phenyl-2,3,7-trihydroxy-6-fluorone 9-Phenyl-2,3-7-trihydroxy-6-fluorone 975-17-7 AI3-63041 EINECS 213-550-3 Fluorone black Fluorone, phenyl- NSC 2608 NSC 66463