Chemical Name： 2-(2H-benzotriazol-2-yl)-4, 6-bis (1-methyl-1-phenylethyl) phenol Formula weight:447

Chemical Name： Pentaerythritol tetrakis [β‑(3,5‑di‑tert‑butyl‑4‑hydroxyphenyl) propionate] Formula weight:1178

Chemical Name： Octadecyl β‑(3,5‑di‑tert‑butyl‑4‑hydroxyphenyl) propionate Formula weight:531

Chemical Name： Tris(2,4-di-tert-butylphenyl) phosphite Formula weight:647