an antitoxin developed in thyroid poisoning; trade-name of a thyroid preparation used as a therapeutic.

a mercapto derivative of uracil that has been used to depress the activity of the thyroid gland; 4-hydroxy-2-mercaptopyrimidine, C4H4N2OS.

any propyl derivative of a thiouracil; spec. a compound used to treat hyperthyroidism, 6-n-propyl-2-thiouracil.

a methyl derivative of thiouracil used to treat hyperthyroidism; 6-methyl-2-thiouracil, C5H6N2OS.

An imidazole derivative that interferes with the synthesis of thyroid hormone and is given orally in the treatment of hyperthyroidism…

= methimazole, n.