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| Catalog # | Name | Structure | CAS Number |
| HA-33003 | 2-Hydrazinopyrazine |  |
54608-52-5 |
| HA-33002 | 2-(Aminomethyl)-5-methylpyrazine |  |
132664-85-8 |
| HA-33001 | 2-Hydroxypyrazine |  |
6270-63-9 |