2,5-Cyclohexadiene-1,4-dione, 2,5-dihydroxy-3-undecyl-, compd. with 2-methyl-1-propanamine(1:2) 2,5-Dihydroxy-3-undecyl-2,5-cyclohexadiene-1,4-dione compd. with 2-methyl-1-propanamine (1:2) 2,5-Diisobutylamino embelin 60198-38-1