CRYSTALLOGRAPHY

On the crystal- and molecular structure of spiropyran, $\mathrm{C}_{18}\mathrm{H}_{15}\mathrm{NO}_4$

K. Sh. Karaev, N. G. Furmanova, N. V. Belov

Institute of Cristallography of the USSR Academy of Sciences, Moscow

UDC: 54S.737

Received: 22.05.1981