4-Pentyn-2-ol

Na-ewebata ihe mkpochapụ XYZ Vacuum Cleaner

Ike agwụla gị iji ọtụtụ awa na-ehicha ụlọ gị site na iji ihe mkpofu dị n'okpuru? Elepụkwala anya, n'ihi na anyị nwere ngwọta maka gị! Na-ewebata XYZ Vacuum Cleaner mgbanwe