Diprotin A90614-48-5100 % similar L-Alanyl-L-proline13485-59-147 % similar Glycyl-L-isoleucine19461-38-247 % similar N-Acetyl-L-isoleucine3077-46-147 % similar L-Alloisoleucine1509-34-846 % similar D-Alloisoleucine1509-35-946 % similar D-Isoleucine319-78-846 % similar Dl-isoleucine443-79-846 % similar Isoleucine73-32-546 % similar Captopril62571-86-241 % similar tert-Butoxycarbonyl-L-isoleucine13139-16-740 % similar Alacepril74258-86-939 % similar 1-[(2S)-3-(Acetylthio)-2-methyl-1-oxopropyl]-L-proline64838-55-738 % similar Ucb-L 057102849-49-037 % similar Levetiracetam acid103833-72-337 % similar Glycyl-L-proline704-15-437 % similar N-[(Phenylmethoxy)carbonyl]-L-isoleucine3160-59-636 % similar N-Benzyloxycarbonyl-L-isoleucine dicyclohexylamine salt26699-00-336 % similar N6-(2,2,2-Trifluoroacetyl)-L-lysyl-L-proline103300-89-636 % similar Ac-dl-pro-oh1074-79-936 % similar