427-77-0

 (1R,4aR,4bR,7R,9aR,10S,10aR)-1-methyl-8-methylidene-13-oxododecahydro-4a,1-(epoxymethano)-7,9a-methanobenzo[a]azulene-10-carboxylic acid

C₁₉H₂₄O₄

427-78-1

 gibberic acid

C₁₈H₂₀O₃

427-79-2

 (4balpha,10beta)-7-hydroxy-1-methyl-8-methylidenegibba-1(10a),2,4-triene-10-carboxylic acid

C₁₈H₂₀O₃

427-83-8

 Spiro[1,3-dioxolane-2,9'-pentacyclo[4.3.0.02,5.03,8.04,7]nonane](8CI,9CI)

C₁₁H₁₂O₂

427-98-5

 3-[2,3-dimethyl-1-(2-phenylethyl)piperidin-3-yl]phenol hydrobromide (1:1)

C₂₁H₂₈BrNO

428-07-9

 atromepine

C₁₈H₂₅NO₃

428-13-7

 difluoro(nitro)octan metylu

C₃H₃F₂NO₄

428-18-2

 Propanoic acid, 2-(acetyloxy)-3,3,3-trifluoro-2-methyl-, methyl ester

C₇H₉F₃O₄

428-37-5

 profadol

C₁₄H₂₁NO

428-38-6

 2,3-dihydrospiro[indene-1,4'-piperidine]

C₁₃H₁₇N

428-54-6

 Magnesium hexafluoroacetylacetonate 1,2-dimethoxyethane complex

428-59-1

 trifluoro(trifluoromethyl)oxirane

C₃F₆O

428-63-7

 2,2-Difluoropropane-1,3-diol

C₃H₆F₂O₂

428-65-9

 2-chloro-1,1-difluoro-1-methoxyethane

C₃H₅ClF₂O