Crystal strucutre of 4,9-diacetoxynaphtho[2,3-b]thiophen, 'C IND.16''H IND.12''O IND.4'S - Santos, Regina Helena de Almeida; Malta, Valéria Rodrigues dos Santos; Simone, C A de; Pereira, M A; Goulart, M O F; Abreu, F C (Zeitschrift fuer Kristallographie - New Crystal Structures, 2001)