4-hydroxyantipyrine

C₁₁H₁₂N₂O₂

Panneerselvam, K.Jayanthi, N.Rudiño-Piñera, E.Soriano-García, M.

Acta Crystallographica Section C (1996) 52, 5 1257-1258

a=12.461(6)Å   b=6.454(4)Å   c=13.621(5)Å

α=90.°   β=107.57(1)°   γ=90.°