-Vanillin

[5-Bromovanillin] CAS[2973-76-4]
Chemical formula; C8H7BrO3
Test organisms;
Protozoa: Tetrahymena pyriformis (ref. ID; 6709)

[Isovanillin]
= 3-Hydroxy-4-methoxybenzaldehyde CAS[621-59-0]
Chemical formula; C8H8O3
Test organisms;
Protozoa: Tetrahymena pyriformis (ref. ID; 6709)

[Vanillin]
= 3-Methoxy-4-hydroxybenzaldehyde CAS[121-33-5]
Chemical formula; CH3OC6H3(OH)CHO
Test organisms;
Protozoa: Tetrahymena pyriformis (ref. ID; 6709)