Top mara mma nke 5337-93-9 4-methlpropiophone si China na-eweta
| Ihe | Nkowa |
| Mputa | Na-enweghị agba na-acha odo odo |
| Nko | ≥99% |
| Mmiri mmiri | ≤0.20% |
| Fe | ≤10ppm |
Ngwa: Mbido ọgwụgwụ.
Nchekwa: Storelọ ahịa na ventilated, obere okpomọkụ na akwa ụlọ nkwakọba ihe.
Asambodo:
Ihe Anyị Nwere Ike Inye: 








