Inventor
ZHU WENQUAN
CN4 patents
Patents
4 patentsUS12018018B2Jun 25, 2024
Pregabalin lactam methylene dimer and preparation method therefor
ZHEJIANG HUAHAI PHARM CO LTD0 citations60
US11519890B2Dec 6, 2022
Detection method for n-nitrosodimethylamine impurities
ZHEJIANG HUAHAI PHARM CO LTD0 citations56
US11434210B2Sep 6, 2022
Method for synthesizing valsartan
ZHEJIANG HUAHAI PHARM CO LTD0 citations45
US11707461B2Jul 25, 2023
N-formyl vortioxetine and preparation method thereof and solid preparation of vortioxetine
ZHEJIANG HUAHAI PHARM CO LTD0 citations44