| 4-Nitrobenzaldehyde |
对硝基苯甲醛 |
555-16-8 |
| 4-Methylphenylsulfonylurea |
对甲苯磺酰脲 |
1694-06-0 |
| 4-Mercapto-4-methylpentan-2-one |
4-巯基-4-甲基-2-戊酮 |
19872-52-7 |
| 4-Iodobenzonitrile |
4-碘氰基苯 |
3058-39-7 |
| 4-Hydroxycoumarin |
4-羟基香豆素 |
1076-38-6 |
| 4-Hydroxybenzophenone |
4-羟基-二苯甲酮 |
1137-42-4 |
| 4-Hydroxybenzoic acid |
对羟基苯甲酸 |
99-96-7 |
| 4-Formylphenylboronic acid |
4-甲酰基苯硼酸 |
87199-17-5 |
| 4-Fluorophenylhydrazine hydrochloride |
4-氟苯肼盐酸盐 |
823-85-8 |
| 4-Cloromethyl-5-methyl-1,3-dioxol-2-one |
4-氯甲基-5-甲基-1,3-二氧杂环戊烯-2-酮 |
80841-78-7 |
| 4-Chlorobutyryl chloride |
4-氯丁酰氯 |
4635-59-0 |
| 4-Methoxybenzylchloride |
4-甲氧基氯苄 |
824-94-2 |
| 4-Chlorobenzyl cyanide |
对氯苯乙腈 |
140-53-4 |
| 4'-Chloroacetophenone |
对氯苯乙酮 |
99-91-2 |
| 4-Carboxyphenylboronic acid |
4-羧基苯硼酸 |
14047-29-1 |
| 4-Butylphenylboronic acid |
4-正丁基苯硼酸 |
145240-28-4 |
| 4-Bromopyridine hydrochloride |
4-溴吡啶盐酸盐 |
19524-06-2 |
| 4-Bromophenylacetonitrile |
对溴苯乙腈 |
16532-79-9 |
| 4-Bromo-2-fluorobenzoic acid |
4-溴-2-氟苯甲酸 |
112704-79-7 |
| 4-Bromo-2-fluorophenol |
4-溴-2-氟苯酚 |
2105-94-4 |
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