[EN300-6474364-0.05g] 2'-[(tert-butoxy)carbonyl]-3',4'-dihydro-2'H-spiro[cyclobutane-1,1'-pyrrolo[1,2-a]pyrazine]-3-carboxylic acid 559,000원
[EN300-6474364-0.1g] 2'-[(tert-butoxy)carbonyl]-3',4'-dihydro-2'H-spiro[cyclobutane-1,1'-pyrrolo[1,2-a]pyrazine]-3-carboxylic acid 804,545원
[EN300-6474364-0.25g] 2'-[(tert-butoxy)carbonyl]-3',4'-dihydro-2'H-spiro[cyclobutane-1,1'-pyrrolo[1,2-a]pyrazine]-3-carboxylic acid 1,125,182원
[EN300-6474364-0.5g] 2'-[(tert-butoxy)carbonyl]-3',4'-dihydro-2'H-spiro[cyclobutane-1,1'-pyrrolo[1,2-a]pyrazine]-3-carboxylic acid 1,737,091원
[EN300-6474364-1g] 2'-[(tert-butoxy)carbonyl]-3',4'-dihydro-2'H-spiro[cyclobutane-1,1'-pyrrolo[1,2-a]pyrazine]-3-carboxylic acid 2,210,273원
[EN300-6474364-2.5g] 2'-[(tert-butoxy)carbonyl]-3',4'-dihydro-2'H-spiro[cyclobutane-1,1'-pyrrolo[1,2-a]pyrazine]-3-carboxylic acid 4,271,545원
[EN300-6474364-5g] 2'-[(tert-butoxy)carbonyl]-3',4'-dihydro-2'H-spiro[cyclobutane-1,1'-pyrrolo[1,2-a]pyrazine]-3-carboxylic acid 6,291,091원
[EN300-6474364-10g] 2'-[(tert-butoxy)carbonyl]-3',4'-dihydro-2'H-spiro[cyclobutane-1,1'-pyrrolo[1,2-a]pyrazine]-3-carboxylic acid 9,300,727원