2''-p-Coumarylastragalin

2'(3')-O-(Glycyl)guanosine-5'-(O-methylphosphate)

2'(3')-O-(N-acetyl)-L-leucyl-2'(3')-O-L-phenylalanyl- (1, 2-diadenosin-N(6)-yl)ethane

2'(3')-O-(N-Methyl)anthraniloylguanosine 5'-triphosphate

2'(3')-O-Acetyl-2'(3')-O-glycyl-1, 2-di(adenosine-N(6)-yl)butane

2'(3')-O-Alanyl hexainosinic acid

2'(3')-O-Bromoacetyluridine

2', (2')'-Diethylideneoxalohydrazide

2', 16beta-Dihydro-11beta, 21-dihydroxypregna-1, 4-dieno(17, 16-c)pyrazole-3, 20-dione 21-acetate

2', 2'-Dichloro-3, 3-dimethylspiro(bicyclo(2.2.1)heptane-2, 1'-cyclopropane)

2', 2'-Difluorodeoxycytidine 5'-triphosphate

2', 2'-Difluorodeoxyuridine

2', 2'-Dimethyl-A-nor-3-thia-5beta-pregnano(16alpha, 17-d)(1, 3)dioxolanx-20-one

2', 3' O-(2, 4, 6-trinitrophenyl)adenosine 5'-diphosphate

2', 3', 10, 11-Tetrahydro-2'-methylspiro(5H-dibenzo(a, d)cycloheptene-5, 1'-(1H)isoindole)

2', 3', 4', 5', 6'-Pentafluoroacetophenone

2', 3', 4', 5'-Tetrabenzoyl-5-acetyl-1, 5-dihydroriboflavin

2', 3', 4', 5, 5'-Pentachloro-2-biphenylol

2', 3', 4'-Trimethoxyacetophenone

2', 3', 5'-Tri-O-acetyladenosine