tert-butyl N-[[4-[(1-hydroxy-2-methylpropan-2-yl)carbamoyl]-1,3-oxazol-2-yl]methyl]carbamate;tert-butyl N-[(4-methyl-1,3-oxazol-2-yl)methyl]carbamate;bis(carbon dioxide);methyl (2S)-3-hydroxy-2-(imino-lambda3-chloranyl)-2-methylpropanoate;methyl (2S)-3-hydroxy-2-(propanoylamino)propanoate;methyl (4S)-4-methyl-2-[2-[[(2-methylpropan-2-yl)oxycarbonylamino]methyl]-1,3-oxazol-4-yl]-5H-1,3-oxazole-4-carboxylate;(4S)-4-methyl-2-[2-[[(2-methylpropan-2-yl)oxycarbonylamino]methyl]-1,3-oxazol-4-yl]-5H-1,3-oxazole-4-carboxylic acid;S-[(E)-4-[(5S,8S)-5-methyl-6,9,13-trioxo-8-propan-2-yl-3,10,17-trioxa-7,14,19,20-tetrazatricyclo[14.2.1.12,5]icosa-1(18),2(20),16(19)-trien-11-yl]but-3-enyl] octanethioate;[(E,4S)-2-oxonon-5-en-4-yl] (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-methylbutanoate;propanoic acid