76508-91-3 | 2-[[[(1S,2S)-1,3-dihydroxy-1-(4-nitrophenyl)propan-2-yl]carbamoylformy l]amino]benzoic acid | C18H17 N3 O8 |
76508-92-4 | 4-[[[(1R,2R)-1,3-dihydroxy-1-(4-nitrophenyl)propan-2-yl]carbamoylformy l]amino]-2-hydroxy-benzoic acid | C18H17 N3 O9 |
76508-93-5 | 4-[[[(1S,2S)-1,3-dihydroxy-1-(4-nitrophenyl)propan-2-yl]carbamoylformy l]amino]-2-hydroxy-benzoic acid | C18H17 N3 O9 |