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sulfinic

Sulfone

Formylamino

Carbonyl Chloride

Cyclopropylcarbonyl

Anhydride

Carbonyl amino

Carbonyl] amino

Order 144194-00-3 3,4,4-trifluoro-2,2-dimethyl-but-3-enoic acid

Order 2294-90-8 2,4-diphenylbut-3-enoic acid

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

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

Order 759-21-7 2-cyano-3-methylbut-2-enoic acid

Order 20629-35-0 (E)-4-bromobut-2-enoic acid

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 31966-72-0 CIS-4-(2-HYDROXYPHENYL)-2-OXOBUT-3-ENOIC ACID

Order 944328-71-6 4,4-Difluoro-but-2-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 50921-71-6 (E)-3-Cyclopropylbut-2-enoic acid

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

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

Order 22230-93-9 (2Z)-4,4,4-trichlorobut-2-enoic acid

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

Order 80743-50-6 3-methyl-4,4-diphenylbut-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 72547-39-8 (2Z)-4-OXO-4-(4-PHENYLPIPERAZIN-1-YL)BUT-2-ENOIC ACID

Order 75887-43-3 4-bromo-3-(bromomethyl)but-2-enoic acid

Order 94216-78-1 (2Z)-4-oxo-4-[2-(phenylsulfonyl)hydrazino]but-2-enoic acid