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| feed additive | |||
| vitamink1 | vitamink2 | vitamink3 | vitamink4 |
| vitaminh1 | vitaminh2 | ||
| intermediates |
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| benzoquinone | |||
| methybenzoquinone | |||
| 1,4-naphthoquinone | |||
| 1,4-methyl-1 ,4-naphthoquinone | |||
| phenanthrenequinone | |||
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| chemical name : phenanthrenequinone secular name : 9-10- philippine 9,10 - dione c14h8o2 formula : mw : 208.2 structured :  production methods : chemical synthesis main purposes : pharmaceuticals; chemical intermediates technical specifications :
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| tzar industrial
co.,ltd.,henan,china address:zhengzhou city, soho shijicheng 19a , henan, china code : 450002 |
yu icp beian no.05000297 | |
| tel :0371-63925204 fax:0371-63937873 e-mail:tzarchem@sohu.com | ||