熔点	120.5-121 ºC (acetic acid )
密度	1.373±0.06 g/cm3 (20 º

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The pharmacological activity of some new fluorescent small molecule histamine H2 receptor (H2-R) ligands, derived from aminopotentidine and squaramide, in the GTPase assay.Georgiana Petrache et al.Revista medico-chirurgicala a Societatii de Medici si Naturalisti din Iasi, 114(1), 255-259 (2010-06-01) Synthesis, spectral properties, and detection limits of reactive squaraine dyes, a new class of diode laser compatible fluorescent protein labelsOswald et al.Bioconjugate chemistry, 11(3), 438-438 (2000-05-23) The complexation of a novel squaric bis(thiosemicarbazone); 3,4-bis{[(aminothioxomethyl)amino]azamethylene}cyclobut-ene-1,2-diol.H S Seleem et al.Spectrochimica acta. 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