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The optical spectrum of SDSS J022119.84 + 005628.4 (R. A. = 02h 21m 19.84s, Dec = 00°56′ 28.4", J2000; z - 0.399785 ± 0.000558) is analyzed by multi-component profile modelling. The small flux ratio of [O Ⅲ]Nc/Hβ (=0.78)and FWHM(HβBC) - 177