Ureas

Methyl 2,6-dioxo-1,2,5,6-tetrahydropyrimidine-4-carboxylate

2-[[1-[[(3E,9E)-2,7-dioxo-5-propan-2-yl-1,6-diazacyclododeca-3,9-dien-8-yl]amino]-3-methyl-1-oxopentan-2-yl]carbamoylamino]-3-methylbutanoic acid

3-Bromophenylurea

Tetramethylurea

(S)-2-(3-((S)-5-Amino-1-carboxypentyl)ureido)pentanedioic Acid

5-(Piperidin-3-yl)imidazolidine-2,4-dione

5-(3H-imidazol-4-yl)imidazolidine-2,4-dione

1-(7-bromo-1-methyl-1H-indol-4-yl)-1,3-diazinane-2,4-dione

1-(7-bromoimidazo[1,2-a]pyridin-3-yl)dihydropyrimidine-2,4(1H,3H)-dione

1-(7-bromo-1H-indol-5-yl)-1,3-diazinane-2,4-dione

1-(7-bromo-1-methyl-1H-indazol-4-yl)-1,3-diazinane-2,4-dione

1,3-Diethyl-1,3-dimethylurea

1-(4-(Piperazin-1-yl)phenyl)dihydropyrimidine-2,4(1H,3H)-dione

(2S)-2-amino-5-(carbamoylcarbamoylamino)pentanoic acid

Ac-EEVC-OH

(4S,5R)-(+)-1,5-Dimethyl-4-phenyl-2-imidazolidinone

(2R)-2-amino-3-carbamoyl-2-methylpropanoic acid

Bis(2,5-dioxopyrrolidin-1-yl) 4,4'-(carbonylbis(azanediyl))dibutanoate

Val-Cit-PAB-OSBT

(R)-N-CarbamyL-phenylalanine Methyl Ester