Crystal structure of (4<i>aS</i>,5<i>S</i>,6<i>aS</i>,6<i>a<sup>1</sup>S</i>, 10<i>aS</i>)-4<i>a</i>,5,6<i>a</i>,6<i>a</i> <sup>1</sup>,9,10-hexahydro-7<i>H</i>-4,5-methanocyclobuta[4,5]naphtho[8<i>a</i>,1-<i>b</i>]pyran-6(2<i>H</i>)-one, C<sub>15</sub>H<sub>16</sub>O<sub>2</sub>
Zeitschrift für Kristallographie. New crystal structures/Zeitschrift für Kristallographie. New crystal structures