1-Thiocoumarin, 3-amino-4-benzylamino- 2H-1-Benzothiopyran-2-one, 3-amino-4-((phenylmethyl)amino)- 3-Amino-4-benzylamino-1-thiocoumarin 5-18-11-00433 (Beilstein Handbook Reference) 66285-08-3 BRN 1649116