1-Thiocoumarin, 4-benzylamino-3-nitro- 2H-1-Benzothiopyran-2-one, 3-nitro-4-((phenylmethyl)amino)- 4-Benzylamino-3-nitro-1-thiocoumarin 5-18-11-00429 (Beilstein Handbook Reference) 66285-04-9 BRN 1656091