Piperazine-2,3,5,6-tetraone

C₄H₂N₂O₄

Jia, Jing-JingMeng, Xiu-JinLiang, Shi-ZhangZhang, Shu-HuaJiang, Yi-Min

Acta Crystallographica Section E (2010) 66, 12 o3315

a=5.1630(10)Å   b=8.6220(17)Å   c=5.6540(11)Å

α=90.00°   β=105.25(3)°   γ=90.00°