Collect. Czech. Chem. Commun.
1977, 42, 811-818
https://doi.org/10.1135/cccc19770811
Sydnones and their photochromic properties
S. Nešpůrek and M. Šorm
Collect. Czech. Chem. Commun.
1977, 42, 811-818
https://doi.org/10.1135/cccc19770811