Abstract C 40 H 28 O 8 , orthorhombic, Pna 2 1 (no. 33), a = 27.0291(4) Å, b 14.5593(2) c 7.95172(10) V 3129.20(7) Å 3 Z 4, R gt ( F ) 0.0276, wR ref 0.0690, T 193 K.
Abstract C 26 H 40 O 9 , orthorhombic, P 2 1 (no. 19), a = 22.6816(12) Å, b 7.3911(3) c 15.6072(8) V 2616.4(2) Å 3 Z 4, R gt ( F ) 0.0455, wR ref 0.1230, T 273(2) K.