... in benzene, toluene, ether, acetone. 4.C18H16N2 -------------------------------------------------------------------------------------------------- ANTIOXIDANT H Powder(74-31-7)1.CAS RN ,74-31 ... ethanol.3.C18H16N24.free sample--------------------------------------------------------------------------------------------------Feature:1.English name: Antioxidant H2.English another name: N,N-diphenyl-p- ...