Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Antonin Doc Ing Csc Kurfuerst, Zeleny Jan, Schwarz Marian, Kuthan JoseffiledCriticalAntonin Doc Ing Csc Kurfuerst
Priority to CS874540ApriorityCriticalpatent/CS261665B1/en
Publication of CS454087A1publicationCriticalpatent/CS454087A1/en
Publication of CS261665B1publicationCriticalpatent/CS261665B1/en
CS874540A1987-06-191987-06-19Photochromic 1-subst.-4, 4-diphenyl-2,6-bis /subst.phenyl/-1,4-dihydropyridines and process for preparing them
CS261665B1
(en)