Phenylthiourea
Inhibits formation of thyroxine if you're talking about propylthioracil
phenylthiouracil(PTU) inhibits melanophore formation in Fukuzawa 2015
Inhibits formation of thyroxine if you're talking about propylthioracil
phenylthiouracil(PTU) inhibits melanophore formation in Fukuzawa 2015