drug structure 2 drug synthesis unclassified drug 2 2 [2 carboxy 1 (2 nitrophenyl)ethyl] 1,3 dioxoisoindoline 5 carboxylic acid 1 2 [2 carboxy 1 (4 ethylphenyl)ethyl] 1,3 dioxoisoindoline 5 carboxylic acid 1 2 [2 carboxy 1 (4 hydroxyphenyl)ethyl] 1,3 dioxoisoindoline 5 carboxylic acid 1 2 [2 carboxy 1 (4 methoxyphenyl)ethyl] 1,3 dioxoisoindoline 5 carboxylic acid 1 2 [2 carboxy 1 (4 nitrophenyl)ethyl] 1,3 dioxoisoindoline 5 carboxylic acid 1 2 [2 carboxy 1 (4 tolyl)ethyl] 1,3 dioxoisoindoline 5 carboxylic acid 1 2 propyl 3,4 dideoxy alpha dextro erythro hexopyranoside 1 3 (1,3 dioxoisoindolin 2 yl) 3 (4 ethylphenyl)propanoic acid 1 3 (1,3 dioxoisoindolin 2 yl) 3 (4 hydroxyphenyl)propanoic acid 1 3 (1,3 dioxoisoindolin 2 yl) 3 (4 methoxyphenyl)propanoic acid 1 3 (1,3 dioxoisoindolin 2 yl) 3 (4 nitrophenyl)propanoic acid 1 3 (1,3 dioxoisoindolin 2 yl) 3 (4 tolyl)propanoic acid 1 3 (4 ethylphenyl) 3 (5 methyl 1,3 dioxoisoindolin 2 yl)propanoic acid 1 3 (4 hydroxyphenyl) 3 (5 methyl 1,3 dioxoisoindolin 2 yl)propanoic acid 1 3 (4 methoxyphenyl) 3 (5 methyl 1,3 dioxoisoindolin 2 yl)propanoic acid 1 3 (5 methyl 1,3 dioxoisoindolin 2 yl) 3 (4 nitrophenyl)propanoic acid 1 3 (5 methyl 1,3 dioxoisoindolin 2 yl) 3 (4 tolyl)propanoic acid 1 3 (5 methyl 1,3 dioxoisoindolin 2 yl) 3 (naphthalen 2 yl)propanoic acid 1 3 amino 3 (4 ethylphenyl)propanoic acid 1 3 amino 3 (4 hydroxyphenyl)propanoic acid 1 3 amino 3 (4 methoxyphenyl)propanoic acid 1 3 amino 3 (4 nitrophenyl)propanoic acid 1 3 amino 3 (4 tolyl)propanoic acid 1 3 deoxy 2,3 didehydro n acetylneuraminic acid 1 5 (aminomethyl)tetrahydrofuran 2 carboxylic acid 1 5 (azidomethyl) tetrahydrofuran 2 carboxylate 1 5 (azidomethyl)tetrahydrofuran 2 carboxylic acid 1