1,3-(Bis(hydroxymethyl))thiourea 3084-25-1 4-03-00-00353 (Beilstein Handbook Reference) BRN 1721941 Dimethylol thiourea Dimethylolthiourea EINECS 221-389-5 Thiourea, N,N'-bis(hydroxymethyl)- USAF B-74 Urea, 1,3-bis(hydroxymethyl)-2-thio-