(2S,3S)-3-(terc-butoksikarbonilamino)-2-hidroksi-4-fenilmaslačna kiselina
(2S)-N-4-[(Z)-amino(metoxiimino)metyl]bensyl-1-(2R)-2-[3-kloro-5-(difluorometoxi)fenyl]-2-hydroxietanoylazetidin-2-karboxamid-bensensulfonsyra (1:1)