• Rodiolinozide
• 61775-18-6
• .

• Rhodamine DD 1
• 94412-00-7
• .

• Ruthenium(1+), bis[.mu.-(diethylcarbamodithioato-S:S, S)]bis(diethylcarbamodithioato-S,S)di-, (Ru-Ru), chloride
• 61663-80-7
• C₆H₄N₄O
• 148.12216
• .

• Ro 1-7781
• 37692-84-5
• .

• Ro 1-7779
• 37692-83-4
• .

• RU 38298
• 82858-13-7
• .

• Renin (mouse submandibular gland light chain)
• 82851-58-9
• .

• R12F4K10M2
• 37374-69-9
• .

• R14F4
• 37350-14-4
• .

• Remazol Brilliant Blue G
• 90597-77-6
• .

• Ruthenium, bis(eta5-2,4-cyclopentadien-1-yl)bis(mu-nitrosyl-N:N)di-
• 90590-96-8
• C₁₀H₁₀N₂O₂Ru₂
• 392.3386
• .

• Ruvit
• 37326-18-4
• .

• Ro 10-2928
• 35703-20-9
• .

• R 2968
• 3567-42-8
• .

• Rifamycin B ditolylamide
• 73664-23-0
• .

• RX 811033
• 94342-77-5
• .

• Rad1 protein, Saccharomyces cerevisiae
• 94046-94-3
• .

• Rifamycin XVII
• 82691-58-5
• .

• Relaxin (pig B-31-chain reduced), cyclic (10-9),(22-22)-bis(disulfide) with relaxin (pig A-chain reduced) cyclic (8-13)-disulfide
• 82658-28-4
• .

• RU 82
• 71567-41-4
• .

• Rapidyne
• 71538-96-0
• .

• Ro 22-1401
• 71388-77-7
• .

• Reductase, nitro-
• 9037-41-6
• .

• Rosamicin P 1
• 90359-33-4
• .

• RPI 4610
• 608534-60-7
• .

• r-Deutziogenin
• 82570-31-8
• .

• Reduced nicotinamide adeninedinucleotide-rubredoxin reductase
• 9032-27-3
• .

• Reductase,cytochrome f (reduced nicotinamide adenine dinucleotide phosphate)
• 9032-26-2
• .

• Rosevionol
• 53839-04-6
• .

• Ruthenium(2 ), bis(2,2-bipyridine-kappaN1,kappaN1)(N-(5H-cyclopenta(2,1-b:3,4-b)dipyridin-5-ylidene-kappaN1,kappaN9)benzenamine)-, diperchlorate
• 189896-05-7
• C37 H27 N7 Ru . 2 Cl O4
• .

• r-dihydro-
• 7354-34-9
• .

• Rotundioside F
• 73542-81-1
• .

• Rubrominomycin
• 79104-87-3
• .

• Rigolac 2260N
• 52283-97-3
• .

• Rosin, hydrogenated, reaction products with acetic acid, triethylene tetramine, benzylated, compd. with acetic acid
• 71329-45-8
• .

• RMI 7955A
• 71276-48-7
• .

• Reductase,protein disulfide (reduced nicotinamide adenine dinucleotide (phosphate))
• 9029-19-0
• .

• RE 18286
• 52119-58-1
• .

• RCE 8
• 93798-26-6
• C₃₂H₄₀O₂
• 456.6588
• .

• Reductase,D-proline
• 9029-15-6
• .

• Reductase,lactaldehyde (reduced nicotinamide adenine dinucleotide phosphate)
• 9028-43-7
• .

• r-Naucleonine
• 37303-54-1
• .

• Retinoic acid,5,6-dihydro-5,6-dihydroxy-
• 73341-58-9
• .

• Rhazinaline
• 60706-90-3
• .

• Rhizopus oryzae
• 67892-24-4
• .

• Ribonucleic cytidylyltransferase
• 9026-32-8
• .

• Racemase,mandelate
• 9024-04-8
• .

• RX 3D
• 188654-57-1
• .

• racemic-2,3-Diethylbutanedioic acid
• 35392-77-9
• C₈H₁₄O₄
• 174.19436
• .

• Riboflavin,compounds,mixt. with 3-[(4-amino-2-methyl-5-pyrimidinyl)- methyl]-5-(2-hydroxyethyl)-4-methylthiazolium chloride monohydrochloride,benzenemethanol,2-(diethylamino)ethyl 4-aminobenzoate monohydrochloride,(R)-2,4-dihydroxy-N-(3-hydroxypropyl)-3,3- dimethylbutanamide,3-pyridinecarboxamide and vitamin B6
• 37287-75-5
• .