2-13-00-00252 (Beilstein Handbook Reference) 4-Hydroxythio-carbanilide 6986-80-7 BRN 2216113 CARBANILIDE, 4-HYDROXYTHIO- N-Phenyl-N'-4-hydroxyphenylthiourea NSC 140892 PTU 24 Thiourea, N-(4-hydroxyphenyl)-N'-phenyl-