The E can be an organic phosphite, sulfate, or phosphate, etc., as an antioxidant, such as triphenyl phosphite (TPP),
dilauryl thiodipropionate (DLTDP), or triphenyl phosphate (TPPP), which has a synergetic effect with the stabilizer.
Products include
dilauryl thiodipropionate, distearyl thiodipropionate, dimyristyl thiodipropionate, and ditridecyl thiodipropionate.