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CAS NO:7738-94-5;   MF:H2CrO4
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CAS NO:63-42-3;1336-90-9;200734-90-3;36570-80-6;89466-76-2;73824-63-2;   MF:C12H22O11
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CAS NO:598-82-3;50-21-5;   MF:C3H6O3
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CAS NO:301-04-2;15347-57-6;   MF:C2H6O2Pb
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CAS NO:1317-36-8;1335-25-7;469906-25-0;   MF:PbO
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