[Fenuron]
1,1-Dimethyl-3-phenylurea CAS[101-42-8] UN2588
Trade name; Fenuron (I, A, B): Dybar, Fenidin, Fenulon, Karmex-EP, PDU
Chemical formula; C9H10N2O C9H12N2O?
Purpose for use; Hebicide
Test organisms;
Protozoa: Colpidium campylum (ref. ID; 6784)

[Fenuron-TCA]
1,1-dimethyl-3-phenyluronium trichloroacetate
Chemical formula; C11H13Cl3N2O3