CHEMISTRY

Quaternary salts of $\beta$-chlorovinyl derivatives of heterocyclic bases as acting on certain carboand dimethinemerocyanine dyes

N. I. Shirokova, N. N. Sveshnikov, I. I. Levkoev

Cinema and Photo Research Institute, Moscow

Presented: M. I. Kabachnik
Received: 01.09.1964