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(2007/10/02)N-<4-Methyl-3-(benzyloxy)-2-nitrobenzoyl>hydroxyproline ethyl ester
trans-4-hydroxy-L-proline ethyl ester hydrochloride
2-nitro-3-benzyloxy-4-methylbenzoic acid N-hydroxysuccinimide ester
3-hydroxy-4-methyl-2-nitro-benzoic acid
3-benzyloxy-4-methyl-2-nitrobenzoic acid benzyl ester