4'-phenylspiro[2-benzofuran-3,2'-furan]-1,3'-dione;4-phenylspiro[furan-2,3'-isobenzofuran]-1',3-dione;4-phenylspiro[furan-2,3'-isobenzofuran]-1',3-quinone;38183-12-9;F9015_SIGMA;ST5308354;4-Phenylspiro(furan-2(3H),1'(3'H)-isobenzofuran)-3,3'-dione;EINECS 253-814-5;Fluorescamine;Spiro(furan-2(3H),1'(3'H)-isobenzofuran)-3,3'-dione, 4-phenyl-;Spiro[furan-2(3H),1'(3'H)-isobenzofuran]-3,3'-dione, 4-phenyl-;4-Phenyl spiro-[furan-2(3H),1-phthalan]-3,3'-dione;4-Phenylspiro-[furan-2(3H),1-phthalan]-3,3'-dione;47614_FLUKA;Fluram&#174;
4'-phenylspiro[2-benzofuran-3,2'-furan]-1,3'-dione