英文同义词
1.2-Diaminocyclobuten-3.4-dion;3,4-DIAMINOCYCLOBUT-3-ENE-1,2-DIONE;3,4-Dioxocyclobut-1-en-1,2-diamine, 1,2-Diamino-3,4-dioxocyclobut-1-ene;Squaramide;diaminocyclobut-3-ene-1,2-dione;3,4-Diamino-3-cyclobutene-1,2-dione;3-Cyclobutene-1,2-dione, 3,4-diamino-