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Upstream product

• 857870-34-9 N-(2,6-dichlorobenzoyl)-4-(6-carboxy-1-methyl-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-3-(2H)-yl)-L-phenylalanine isopropylester 
• 857870-16-7 4-[6-(chloromethyl)-1-methyl-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-3(2H)-yl]-N-(2,6-dichlorobenzoyl)-L-phenylalanine isopropyl ester 
• 857870-32-7 N-(2,6-dichlorobenzoyl)-4-(6-iodo-1-methyl-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-3-(2H)-yl)-L-phenylalanine isopropylester 
• 857870-30-5 N-(2,6-dichlorobenzoyl)-4-(6-iodo-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-3-(2H)-yl)-L-phenylalanine isopropylester 
• 857870-28-1 4-[(2-amino-5-iodobenzoyl)amino]-N-(2,6-dichlorobenzoyl)-L-phenylalanine isopropyl ester 
• 857870-36-1 Nα-(2,6-dichlorobenzoyl)-4-nitro-L-phenylalanine isopropyl ester 
• 857870-47-4 4-amino-Nα-(2,6-dichlorobenzoyl)-L-phenylalanine isopropyl ester 
• 401906-14-7 Nα-(2,6-dichlorobenzoyl)-4-nitro-L-phenylalanine 
• 857869-08-0 N-(2,6-dichlorobenzoyl)-4-[6-(methylamino)methyl-1-methyl-2,4-dioxo-1,4-dihydroquinazoline-3(2H)-yl]-L-phenylalanine isopropyl ester 

Relevant academic research and scientific papers

CRYSTAL OF PHENYLALANINE DERIVATIVE, PROCESS FOR PRODUCING THE SAME AND USE THEREOF

Crystals of phenylalanine derivatives represented by a specified structural formula; especially, crystals excelling in handleability, crystals excelling in storage stability, moisture resistance or solubility, and crystals that can tolerate an industrial-scale production; a process for producing the same; and uses thereof. In particular, there is disclosed a use of such crystals as an active ingredient of pharmaceutical composition.