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7-Ethylcamptothecin (5)CAS RN:78287-27-1
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AFINE CHEMICALS LIMITEDTelephone:+86-571-85232125;85232161;85134551
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SHILPA MEDICARE LIMITED,Telephone:+0091-8532-235006, 236328
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Toronto Research Chemicals Inc.Telephone:+1 416 665-9696
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Yick-Vic Chemicals & PharmaceuticalsTelephone:(852)2541 2772
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