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Order 6314-54-1 4-(4-bromophenyl)-4-hydroxy-2-oxobut-3-enoic acid

Order 67010-42-8 (e)-2-amino-4-(2-aminoethoxy)but-3-enoic Acid;hydrochloride

Order 63528-94-9 (Z)-4-(2-ethylhexoxy)-4-oxo-but-2-enoic acid; furan-2,5-dione; vinyl acetate

Order 80893-34-1 but-3-enoic acid - oxiran-2-ylmethyl 2-methylprop-2-enoate (1:1)

Order 5064-89-1 (2Z)-4-[8-(acetyloxy)-3,3,11-trimethyl-13-(3-methylbut-2-en-1-yl)-11-(4-methylpent-3-en-1-yl)-7,15-dioxo-3a,4,5,7-tetrahydro-3H,11H-1,5-methanofuro[3,4-g]pyrano[3,2-b]xanthen-1-yl]-2-methylbut-2-enoic acid

Order 6632-55-9 4-oxo-4-[(9-oxofluoren-4-yl)amino]but-2-enoic Acid

Order 50921-71-6 (E)-3-Cyclopropylbut-2-enoic acid

Order 944328-71-6 4,4-Difluoro-but-2-enoic acid

Order 5375-75-7 (2Z)-4-oxo-4-{[4-(propoxycarbonyl)phenyl]amino}but-2-enoic acid

Order 1772-65-2 4-(3-nitrophenyl)-2-oxobut-3-enoic acid

Order 7143-51-3 (2Z)-4-oxo-4-[(6-oxo-6H-benzo[c]chromen-3-yl)amino]but-2-enoic acid

Order 37209-51-1 (2S,3E)-2-amino-4-{[(2R)-2-amino-3-hydroxypropyl]oxy}but-3-enoic acid

Order 28391-17-5 But-3-enoic Acid

Order 334981-41-8 4-[[2-IODO-4-(PYRROLIDINE-1-SULFONYLMETHYL)-PHENYL]-(2,2,2-TRIFLUORO-ACETYL)-AMINO]-BUT-2-ENOIC ACID METHYL ESTER

Order 6339-46-4 (E)-2,3-dichloro-4-(1,2-dimethylindol-3-yl)-4-oxo-but-2-enoic acid

Order 36406-33-4 2-HYDROXY-2-METHYLBUT-3-ENOIC ACID

Order 91121-52-7 (e)-4-(4-chlorophenyl)-3-methylbut-3-enoic Acid

Order 887407-13-8 4-(3-Nitrophenyl)but-3-enoic Acid

Order 6339-45-3 (E)-2,3-dichloro-4-(2-methyl-1H-indol-3-yl)-4-oxo-but-2-enoic acid

Order 59110-15-5 2,3-dibromobut-2-enoic acid