1,2-Benzenediol, 4,4'-(2,3-dimethyl-1,4-butanediyl)bis- 2,3-Bis(3,4-dihydroxyphenylmethyl)butane 2,3-Dimethyl-1,4-bis(3,4-dihydroxyphenyl)butane 4,4'-(2,3-Dimethyl-1,4-butanediyl)bis(1,2-benzenediol) 4,4'-(2,3-Dimethyl-1,4-butanediyl)bis(pyrocatechol) 4,4'-(2,3-Dimethyl-1,4-butanediyl)bis-1,2-benzenediol 4,4'-(2,3-Dimethyltetramethylene)dipyrocatechol 500-38-9 AI3-23059 Butane, 1,4-bis(3,4-dihydroxyphenyl)-2,3-dimethyl- CCRIS 1399 Dihydronorguaiaretic acid Dinorguaiaretic acid, dihydro- EINECS 207-903-0 NDGA NORDIHYDROGUAIARETIC ACID NSC 4291 NSC 682984 Nordihydroguaiaretic acid (unspecified) Nordihydroguairaretic acid Norguaiaretic acid, dihydro- Norhydroguaiaretic acid Pyrocatechol, 4,4'-(2,3-dimethyltetramethylene)di- beta,gamma-Dimethyl-alpha,delta-bis(3,4-dihydroxyphenyl)butane