Sigma-Aldrich
1,4-BIS(1-(PHENYLSULFONYL)-1H-PYRROL-2-YL)-1,4-BUTANEDIONE
1,4-BIS(4-ACETYLPHENYL)-1,3-BUTADIENE
1,4-BIS(4-METHYLPHENYL)-2-BUTYNE-1,4-DIONE
1,4-BIS(CHLOROMETHYL)-2,5-DIETHOXY-BENZENE
1,4-BIS(TRIPHENYLGERMYL)-1,1,2,2,3,3,4,4-OCTAPHENYLTETRASILANE
1,4-cyclohexanedicarboxamide
1,4-Diallylpiperazine
1,4-DIBENZYL-2,5-PIPERAZINEDIONE
1,4-DICHLORO-2,5-DIIODO-BENZENE
1,4-DIHYDRO-1-PHENYL-2,4,4-TRIMETHYL-3(2H)-ISOQUINOLINONE
1,4-Diiodo-2,5-dimethylbenzene
1,4-Dimethylpentylamine
1,4-Dioxaspiro[4.5]dec-8-yl 4-methylbenzenesulfonate
1,4-DIPHENYL-3-PROPYL-2-AZETIDINONE
1,4,4-trimethyl-2,6-piperidinedione