C15H14O4, triclinic, P1 (no. 2), a = 5.3317(3) Å, b = 11.0927(7) Å, c = 11.3125(7) Å, ' = 76.112(2)°, & = 82.870(2)°, # = 80.128(2)°, V = 637.5 Å3, Z = 2, Rgt(F) = 0.0339, wRref(F2) = 0.0924, T = 296 K.