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Diprophylline
479-18-5
Beijing Boyakaihua Company
Huang Shijie
Precursor Chemicals
KORES (INDIA) LIMITED
Dayang Chem (Hangzhou) Co.,Ltd
BTP(Beinuo) Pharm
Utag
Kunshan Boke Chemicals, Co., Ltd.
Shanghai The People Pharmaceutical Solvent Plant
XI'AN ZHONGSHI BIOENGR CO.,LTD.
Trimethoxymethane
N,N-Diethylaniline
Bromoform
Phosphorus Oxychloride
Phosphorus Pentachloride
Phthalimide
1,3-Dichloropropane
P-Anisidine
Hydroquinone
1,4-DIAMINOBUTANE
Phenylhydrazine
Pyrrolidine