Homocitrullylaminoadenosine

3'-Homocitrullylamino-3'-deoxyadenosine

3'-[(N6-Aminocarbonyl-L-lysyl)amino]-3'-deoxyadenosine

3'-[[(2S)-2-Amino-6-[(aminocarbonyl)amino]-1-oxohexyl]amino]-3'-deoxyadenosine