4 4-DIETHOXY-2-BUTYN-1-AL (CAS # 74149-25-0)
| Kev nyab xeeb piav qhia | 24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. |
| HS Code | 29124900 ib |
Sau koj cov lus ntawm no thiab xa tuaj rau peb

| Kev nyab xeeb piav qhia | 24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. |
| HS Code | 29124900 ib |