(4R,12aS)-7-Methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-[1,3]oxazino[3,2-d]pyrido[1,2-a]pyrazine-9-carboxylic acid CAS NO.1335210-34-8

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headquartered in shenzhen pingshan national biopharmaceutical industry base, shenzhen huaxian pharmaceutical technology co., ltd. is a national high-tech enterprise with internationally leading core technologies such as asymmetric catalysis, continuous flow reaction, ai-assisted route and process design, deeply involved in and supporting the development of innovative drugs worldwide. there is a high-end api gmp plant covering an area of 28,000 square metres. the services are diversified to meet the different needs of our customers.