2-aMINO-5-CHLORO-3-NITROPYRIDINE

2-aMINO-5-CHLOROBENZONITRILE

2-aMINO-5-CHLOROBENZOPHENONE OXIME

2-aMINO-5-CHLOROBENZOXaZOLE

2-aMINO-5-CHLOROPYRIDINE

2-aMINO-5-CHLOROPYRIMIDINE

2-aMINO-5-ETHYL-1,3,4-THIaDIaZOLE

2-aMINO-5-IODOBENZOIC aCID

2-aMINO-5-IODOPYRIDINE

2-aMINO-5-NITROBENZOIC aCID

2-aMINO-5-NITROPHENOL

Sorbic acid

Dehydroacetic acid

Methyl acetoacetate

Ethyl acetoacetate

acetic anhydride

acetoacet anilide

Ertapenem side chain

Xinxiang Hongqi anderson Chemical Co., Ltd.
Tibipenem Side Chian

Xinxiang Hongqi anderson Chemical Co., Ltd.
Doripenem side chain 1

Xinxiang Hongqi anderson Chemical Co., Ltd.