| 名稱 | 英文名 | CAS號(hào) |
| 2-碘-4-硝基苯胺 | 2-Iodo-4-nitroaniline | 6293-83-0 |
| 四氫-2H-吡喃-2-醇 | 2-Hydroxytetahydropyran;Tetrahydro-2H-2-pyranol | 694-54-2 |
| 4-甲氧基水楊酸 | 2-hydroxy-4-methoxybenzoic acid;4-methoxysalicylic | 2237-36-7 |
| 2-氯-四氫吡喃 | 2-chloro-tetrahydropyran;2-chlorotetrahydro-2H-pyr | 3136-02-5 |
| 2-氯甲基苯乙烯 | 2-chloromethylstyrene | 22570-84-9 |
| 2-溴-6-氟硝基苯 | 2-Bromo-6-fluoronitrobenzene | 886762-70-5 |
| 2,6-二異丙基苯異氰酸酯 | 2,6-di-iso-propylphenyl isocyanate;2,6-diisopropyl | 28178-42-9 |
| 2,6-二羥基甲苯 | 2,6-Dihydroxytoluene | 608-25-3 |
| N,N-二(2-羥乙基)-2-甲基-1,3-苯二胺 | 2,6-Dihydroxyethylamino Toluene;2-[3-(2-hydroxyeth | 149330-25-6 |
| 2,4-二羥基苯甲酸 | 2,4-Dihydroxybenzoic acid | 89-86-1 |
| 2,4-二羥基苯甲酰胺 | 2,4-Dihydroxybenzamide | 3147-45-3 |
| 2,3-吡嗪二酸酐 | 2,3-pyrazinedicarboxylic anhydride | 4744-50-7 |
| 2,3-吡嗪二羧酸 | 2,3-pyrazinedicarboxylic acid | 89-01-0 |
| 2,3,4,5,6-五氟苯乙烯 | 2,3,4,5,6-pentafluorostyrene | 653-34-9 |
| BETA-2,3,4,5,6-五氟苯乙醇 | 2,3,4,5,6-pentafluorophenethyl alcohol;2-(Pentaflu | 653-31-6 |
| 四氫吡喃-4-乙酰氯 | 2-(tetrahydro-2H-pyran-4-yl)acetyl chloride ... | 40500-05-8 |
| 1-萘甲胺 | 1-Naphthalenemethylamine;(naphth-1-yl)methylamine | 118-31-0 |
| 1-萘甲醇 | 1-Naphthalene Methanol | 4780-79-4 |
| 1-萘乙酸 | 1-Naphthalene acetic acid | 86-87-3 |
| p,p’-二乙烯基-1,2-二苯基乙烷 | 1-ethenyl-4-[2-(4-ethenylphenyl)ethyl]benzene;p,p' | 48174-52-3 |
