1-p-n-Amyloxyphenyl-3-(4-antipyryl)-2-thiourea 3-(4-Antipyrinyl)-1-(p-pentoxyphenyl)-2-thiourea 5-25-14-00109 (Beilstein Handbook Reference) 73953-58-9 BRN 0584986 Urea, 3-(4-antipyrinyl)-1-(p-pentoxyphenyl)-2-thio-