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- 2,2-bis(hydroxymethyl)-1,3-propanediol
- 2,2-bis(hydroxymethyl)-1,3-propanediol; pentaerythritol
- 2,2-bis (para-chlorophenyl)-1,1-dichloroethane
- 2,2-bis(p-chlorophenyl)-1,1,1-trichloroethane
- 2,2-bis(p-chlorophenyl)-1,1,1-trichloroethane--ddt
- 2,2-bisphthalide; phenolphthalein
- 2,2-bis(p-hydroxy-phenyl)phthalide
- 2,2-bis(p-hydroxy-phenyl)phthalide; phenolphthalein
- 2,2-bis(p-methoxyphenyl)-trichloromethane
- 2,2-bis-popane; bisphenol a
- 2,2-bis-propane
- 2,2-bis(tert-butylperoxy)-butane
- 2,2'-bithiophene
- 2-(2-butoxyethoxy)ethanol
- 2-(2-butoxyethoxy)ethanol--butyl carbitol-- diethylene glycol monobutyl ether
- 2-(2'-chloroethoxy)ethanol
- 2,2'-di-amine; diethanolamine
- 2,2'-diaminoazobenzene
- 2,2'-diaminobenzophenone
- 2,2'-diaminodiethylamine
- 2,2'-diaminodiethylamine-- diethylenetriamine
- 2,2'-diaminodiethylamine; diethylenetriamine
- 2,2'-diaminostilbene
- 2,2'-dibromoazobenzene
- 2,2-di--butane
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