HC GREEN NO. 1

2-[[4-[Bis(2-hydroxyethyl)amino]phenyl]amino]-5-[(2-hydroxyethyl)amino]-2,5-cyclohexadiene-1,4-dione

2-[[4-[bis(2-hydroxyethyl)amino]phenyl]amino]-5-[(2-hydroxyethyl)amino]cyclohexa-2,5-diene-1,4-dione