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Petroleum benzin
Product name: Petroleum benzin
CAS NO: 8030-30-6;121448-83-7;50813-73-5;54847-97-1;8030-31-7;64742-49-0
Molecular weight: NA 
EC NO: 232-443-2;265-151-9
Molecular formula: CnH2n(n=5~8)
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