a procedure to evaluate relative quantum yields and absorption cross sections from the comparison of experimental results with theoretical solutions is demonstrated by an example using 6-nitro-8 piperidinomethyl-1 ' , 3 ' , 3'-trimethylspiro- [ 1h-benzopyran-2 , 2'-indoline ] as a photochromic compound .
C0184661
procedure
C0220825
evaluate