methyl 2-acetyl-7-[(trifluoroacetyl)amino]-1,2,3,4-tetrahydroisoquinoline-3-carboxylate

8-Amino-3,4-dihydro-1H-isoquinoline-2,3-dicarboxylic acid 2-(9H-fluoren-9-ylmethyl) ester 3-methyl ester

2-((9H-fluoren-9-yl)methyl) 3-methyl 8-(2,3-bis(tert-butoxycarbonyl)guanidino)-3,4-dihydroisoquinoline-2,3(1H)-dicarboxylate