Which of the following compounds are not used as disinfectants?
A. Chloroxylenol
B. Bithional
C. Veronal
D. Prontosil
E. Terpineol
Choose the correct answer from the options given below:

Let us identify which compounds are disinfectants and which are not:

A. Chloroxylenol: Active ingredient in Dettol — disinfectant ✔

B. Bithional: Used as antiseptic in soaps — disinfectant ✔

C. Veronal: A barbiturate drug used as a sedative/hypnotic — NOT a disinfectant ✘

D. Prontosil: The first sulfonamide antibacterial drug — NOT a disinfectant ✘

E. Terpineol: Used as a disinfectant ✔

The compounds NOT used as disinfectants are: C (Veronal) and D (Prontosil).