benzyl 2-isocyanoacetate

benzyl 2-(hydroxyamino)acetate

benzyl 2-[(4-methylphenyl)sulfonylamino]acetate

dibenzyl 2,2'-(((difluoromethyl)phosphoryl)bis(azanediyl))diacetate

2-[(2,6-dimethoxybenzoyl)amino]acetic acid