photoactive compound

acronym: PAC
https://doi.org/10.1351/goldbook.09549
Compound that on exposure to radiation will release an active ionic or radical species.
Source:
PAC, 2020, 92, 1861. 'Terminology of polymers in advanced lithography (IUPAC Recommendations 2020)' on page 1883 (https://doi.org/10.1515/pac-2018-1215)