2,5-dihydropyrroles

2,5-Dihydroxy benzene sulfonic acid mono esters

2,5-Diketogluconic acid esters

2,5-Dimethyl-benzo(b) thiene (3,2-f) morphan and precursor there

2,5-Dimethyl-benzo[b]-thieno[2,3-f]morphan and precursors thereo

2,5-dioxo-3-pyrroline-1-acetanilide fungicidal agents and method

2,5-dioxopiperazine compounds and method for preparing .alpha.-a

2,5-distyrylpyrazines

2,5-disubstituted pyrazine derivatives, pyrimidine derivatives,

2,5-disubstituted-4(3H)-pyrimidones having histamine H.sub.2 -re

2,5-Inter-o-phenylene-3,4-dinor-5,9.alpha.-epoxy PGF.sub.1 amide

2,5-Inter-o-phenylene-3,4-dinor-PGF.sub.2 amides

2,5-Inter-O-phenylene-3,4-dinor-PGF.sub.2 compounds

2,5-linked polyfluorenes for optoelectronic devices

2,5-Pyrrolidinedione derivatives useful as antiarrhythmic agents

2,5-reactive substituent group-containing siloles, silole polyco

2,5-substituted-cyclohexane-1,4-diones and a process for product

2,6,6-Trimethyl-.alpha.-(iso)propenyl-1,3-cyclohexadiene-1-metha

2,6,6-Trimethyl-.alpha.-(iso)propenyl-1-cyclohexene-1-methanols

2,6,7-trisubstituted-3-methylenebicyclo(3.3.0)-octanes, and proc