N-phenylimide hebicides

Trade name;
S-23031: Pentyl 2-chloro-4-fluoro-5-[(3,4,5,6,-tetrahydro)phthalimido]-phenoxyacetate
S-23121: N-[4-Chloro-2-fluoro-5-[(1-methyl-2-propynyl)oxy]phenyl]-3,4,5,6-tetrahydrophthalimide
S-23142: N-[4-Chloro-2-fluoro-5-propargyloxyphenyl]-3,4,5,6-tetrahydrophthalimide
S-53482: 7-Fluoro-6-[(3,4,5,6,-tetrahydro)phthalimido]-4-(2-propynyl)-1,4-benzoxazin-3(2H)-one
Purpose for use; Photobleaching herbicides.
Mode of action; Protoporphyrino-oxidase (PPO) inhibition.
Test organisms;
Green algae (formerly including protozoa): Chlamydomonas reinharditii (ref. ID; 4558)