[Study of antithyroid substances. XI. Action of 6-methyl-5-piperidinomethyl-2-thiouracil, 5-diethylaminomethyl-6-methyl-2-thiouracil, 6-methyl-5-phthalimidomethyl-methyl-2-thiouracil, 6-methyl-5-salicylamido-methyl-2-thiouracil, 5-benzamidomethyl-6-methyl-2-thiouracil and 2-methyl-4-thioquinoline on body weight, thyroid gland weight and pituitary gland weight in albino rats].