• r11-16-Corticotropin
• 19253-98-6
• .

• Relaxin (Squalus acanthias A-chain reduced)cyclic (10f15)-disulfide,cyclic(11f13'),(24f25')-bis(disulfide) with relaxin(Squalus acanthias B-chain reduced) ;;
• 105286-99-5
• .

• RB 101
• 203498-62-8
• .

• Ridopolikhom
• 141695-44-5
• .

• Ro 20-3760
• 38473-22-2
• .

• RP-13252
• 102648-11-3
• .

• Residues, coal, subbituminous, gasification, low-temp.
• 200513-43-5
• .

• Ravenine
• 20105-22-0
• .

• rel-(5R,6R)-5,6-dichloro-5,6-dihydro-1,10-phenanthroline 1-oxide
• 10019-32-6
• C₁₂H₈Cl₂N₂O
• .

• Rubber, reclaimed
• 139497-04-4
• .

• Reclin HX 4
• 161811-54-7
• .

• Rosacorenol
• 138867-22-8
• .

• Radarine C
• 138606-36-7
• .

• Reseda GP 300
• 137292-95-6
• .

• r-Cycloawaodorin
• 138233-18-8
• .

• R 407A
• 158675-78-6
• .

• RU 34000
• 135498-15-6
• .

• RU 53637
• 134411-57-7
• .

• Radiatoside D
• 136598-82-8
• .

• Rosinin
• 20016-74-4
• .

• Rock fishThis heading is used only when the specific taxonomycannot be established from the original documentRockland
• 196870-12-9
• .

• RU 4841
• 32516-32-8
• .

• Rosin, fumarated, polymer with p-tert-butylphenol, formaldehyde, glycerol and pentaerythritol
• 135620-94-9
• .

• Rosin, fumarated, polymer with pentaerythritol, aluminum salt
• 135313-72-3
• .

• RMI 10233DA
• 34927-64-5
• C₃₁H₄₀N₂O₂
• 472.6615
• .

• r-hydroxy-
• 3441-73-4
• .

• Residues, shale oil, hydrocracked, steam-cracked
• 195459-60-0
• .

• Residues, shale oil, hydrocracked, atm. tower
• 195459-56-4
• .

• Residual oils, shale oil, hydrocracked, solvent-refined
• 195459-55-3
• .

• Rubromycin
• 1393-16-4
• .

• Residues, shale oil, hydrocracked, hydrocracked
• 195459-58-6
• .

• Regelone
• 194025-80-4
• .

• Reguloside A
• 193412-76-9
• .

• Rosin, polymer with p-tert-butylphenol, formaldehyde, glycerol, pentaerythritol, phthalic anhydride and soybean oil
• 192888-55-4
• .

• Romacril LN 2
• 33638-19-6
• .

• Ryoto Sugar Ester ER 190
• 115536-98-6
• .

• Retardon
• 105195-20-8
• .

• Redoxan I
• 1942-50-3
• .

• Ro 42-8764
• 134363-26-1
• .

• r20-24-Corticotropin
• 19253-97-5
• .

• Rhoiptelol B
• 184485-69-6
• .

• RKS 1778
• 191475-89-5
• .

• Ro 42-6962
• 133763-00-5
• .

• R-Erythro-10-deacetyl-N-debenzoyltaxol
• 133577-36-3
• .

• RU 33368
• 135507-42-5
• .

• Ristomycin A aglycone, 22, 31-dichloro-38-de(methoxycarbonyl)-7-demethyl-19-deoxy-38-[(methylamino)carbonyl]-
• 133376-45-1
• C₅₉H₄₈Cl₂N₈O₁₇
• 1211.96182
• .

• R 1121c
• 13245-53-9
• .

• RA 159
• 13144-82-6
• .

• Rhizomycin (9CI)
• 12626-13-0
• C19 H30 N4 O5
• .

• Rabdocoetsin B
• 132185-69-4
• .