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 |
| Radical name |
Formula |
Based on rule no. |
|
| Benzamido |
 |
C-823.1 |
| Benzeneazo |
 |
C-911.2, C-911.3 |
| Benzeneazoxy |
 |
C-913.1 |
benzenecarbonyl,
see Benzoyl |
|
|
1,2-benzenedicarbonyl,
see Phthaloyl |
|
|
1,3-benzenedicarbonyl,
see Isophthaloyl |
|
|
1,4-benzenedicarbonyl,
see Terephthaloyl |
|
|
| Benzenesulfinyl |
 |
C-631.1 |
| Benzenesulfonamido |
 |
C-631.1, C-641.7, C-823.1 |
| Benzenesulfonyl |
 |
C-631.1 |
| Benzenesulfonylamino |
 |
C-823.1 |
| Benzenetriyl |
 |
A-24.4 |
Benzhydryl
(alternative to Diphenylmethyl) |
 |
A-13.3 |
Benzhydrylidene
(alternative to Diphenylmethylene) |
 |
A-13.4 |
| Benzidino |
 |
C-811.4, C-813.1 |
Benziloyl (preferred to
2-hydroxy-2,2-diphenylethanoyl) |
 |
C-411.1 |
| Benzimidazolyl |
 |
B-3, B-5.11 |
| Benzimidoyl |
 |
C-451.2 |
| Benzofuranyl |
 |
B-3, B-5.11 |
| Benzopyranyl |
 |
B-3, B-5.11 |
| Benzoquinonyl (1,2- or 1,4-) |
 |
C-317.2 |
Benzo[b]thienyl
(replacing thianaphthenyl) |
 |
B-2.11, B-5.11 |
| Benzoxazinyl |
 |
B-3, B-5.11 |
| Benzoxazolyl |
 |
B-3, B-5.11 |
Benzoyl
(preferred to benzenecarbonyl) |
 |
C-404.1 |
| Benzoylamino |
 |
C-823.1 |
Benzoylhydrazino
(N- or 2-shown) |
 |
C-921.5 |
| Benzoylimino |
 |
C-815.3 |
| Benzoyloxy |
 |
C-463.3 |
| Benzyl |
 |
A-13.3 |
| Benzylidene |
 |
A-13.4 |
| Benzylidyne |
 |
A-13.4 |
| Benzyloxy |
 |
C-205.1 |
| Benzyloxycarbonyl |
 |
C-463.3 |
| Benzylthio |
 |
C-514.1 |
| Bicyclo[2.2.1]hept-5-en-2-yl |
 |
A-31.4 |
| Bi(cyclohexan)yl |
 |
A-52.1, C-71.2 |
| Bi(cyclohexyl)yl |
 |
A-52.1, C-71.2 |
| Binaphthalenyl |
 |
A-52.1, C-71.2 |
| Binaphthylyl |
 |
A-52.4, C-71.2 |
| Biphenylenyl |
 |
A-21.1, A-24.2 |
| Biphenylyl |
 |
A-52.4, C-71.2 |
| Bornenyl |
 |
A-72.1, A-75.2 |
Bornyl
(replacing cemphyl and bornylyl) |
 |
A-72.1, A-75.2 |
bornylyl,
see Bornyl |
|
|
| Bromo |
 |
C-10.1, C-102 |
| Bromoformyl |
 |
C-481.2 |
| Bromonio |
 |
C-82.1 |
| Butadienyl (1,3-shown) |
 |
A-3.5 |
butanedioyl,
see Succinyl |
|
|
| Butanediylidene |
 |
A-4.4 |
| Butanediylidyne |
 |
A-4.4 |
| 1,2,3-Butanetricarbonyl |
 |
C-403.2 |
butanoyl,
see Butyryl |
|
|
| 1-Butanyliden-4-ylidynes |
 |
A-4.4 |
cis-butenedioyl,
see Maleoyl |
|
|
trans-butenedioyl,
see Fumaroyl |
|
|
butenoyl,
see Crotonoyl and Isocrotonoyl |
|
|
| 1-Butenyl |
 |
A-3.5 |
2-Butenyl
(replacing crotyl) |
 |
A-3.5 |
| 2-Butenylene |
 |
A-4.3 |
| Butenylidene (2- shown) |
 |
A-4.1 |
| Butenylidyne (2- shown) |
 |
A-4.1 |
| Butoxy |
 |
C-205.1 |
sec-Butoxy
(unsubstituted only) |
 |
C-205.1 |
tert-Butoxy
(unsubstituted only) |
 |
C-205.1 |
| Butyl |
 |
A-1.2 |
sec-Butyl
(unsubstituted only) |
 |
A-2.25 |
tert-Butyl
(unsubstituted only) |
 |
A-2.25 |
| Butylidene |
 |
A-4.1 |
sec-Butylidene
(unsubstituted only) |
 |
A-4.1 |
| Butylidyne |
 |
A-4.1 |
Butyryl
(preferred to butanoyl) |
 |
C-404.1 |
