TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD
Country: China (Mainland)
Business Type: Lab/Research institutions
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(17a,20E)-17,20-[(1-Methoxyethylidene)bis(oxy)]-3-oxo-19-norpregna- 4,20-diene-21-carboxylic Acid Methyl EsterCAS NO.: 431579-34-9