Collect. Czech. Chem. Commun.
1972, 37, 1706-1712
https://doi.org/10.1135/cccc19721706
On phthalides and indandiones. XLVII. Infrared spectra and substituent effects in 3-arylmethylene-4,7-dithia-4,5,6,7-tetrahydrophthalides
A. Perjéssy and P. Hrnčiar
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