| 37211-75-9 | Reductase,2-oxopantoyl lactone |
| 14985-41-2 | riboflavin 5'-pyrophosphate | C17H22 N4 O12 P2 |
| 78420-92-5 | Ro 22-2586 |
| 142462-33-7 | redox protein, Methanobacterium thermoautotrophicum | C405H644 N96 O125 S5 |
| 944130-99-8 | Rhodamine B isothiocyanate | C29H30ClN3O3S |
| 15617-30-8 | Rhodium,trichlorotris(pyridine)- | C15H15 Cl3 N3 Rh |
| 147098-20-2 | Rosuvastatin calcium | 2(C22H27FN3O6S).Ca |
| 103629-94-3 | roxburghiadiol A | C29H48 O2 |
| 69866-21-3 | Rachelmycin | C37H33 N7 O8 |
| 51108-70-4 | Ribitol,1-amino-1-deoxy- | C5H13 N O4 |
| 59883-07-7 | RUBIDATE UV | C16H16O6 |
| 29451-71-6 | RANATENSIN | C61H84N16O13S |
| 53859-19-1 | retinol phosphate | C20H31 O4 P |
| 84754-12-1 | Rugosin G | C123H86O78 |
| 847-25-6 | racefenicol | C12H15 Cl2 N O5 S |
| 71838-95-4 | Reactive orange 82 |
| 13895-92-6 | RUTARETIN | C14H14 O5 |
| 139691-42-2 | rad9 protein |
| 74513-77-2 | Ro 363 | C19H25 N O6 |
| 76609-88-6 | RIFABUTIN | C46H62N4O11 |
| 53850-36-5 | Rutherfordium | Rf |
| 33286-27-0 | rac N,N-DiMethyl AMphetaMine Hydrochloride | C11H18ClN |
| 97825-25-7 | Ractopamine | C18H23NO3 |
| 88228-58-4 | ruppuran | C13H13 N O3 Ru |
| 8031-67-2 | Royal jelly |
| 82461-14-1 | RHUBAFURAN | C12H16O |
| 6211-32-1 | Rauwolscine hydrochloride | C21H26N2O3.HCl |
| 67890-48-6 | Retinal, oxime, (13-cis,15E)- | C20H29NO |
| 15105-92-7 | Rifamycin SV | C37H47NO12•Na |
| 109974-21-2 | regelin | C31H48 O4 |
| 132014-21-2 | Rilmakalim | C21H23 N O5 S |
| 3506-18-1 | ribitol-5-phosphate | C5H13 O8 P |
| 64741-80-6 | Residues (petroleum),thermal cracked |
| 12237-16-0 | Reactive Yellow 37 |
| 70955-45-2 | rosin, polymer with formaldehyde, glycerol,octylphenol and polymd. rosin | (C14H22O·C3H8O3·CH2O·W99)x |
| 548-08-3 | roemerine | C18H17 N O2 |
| 147097-44-7 | ribosomal protein CL9 |
| 16702-38-8 | Ruthenium,tris(1,1,1-trifluoro-2,4-pentanedionato-kO,kO')- (9CI) | C15H12 F9 O6 Ru |
| 13510-42-4 | RUBIDIUM PERCHLORATE | ClH O4 . Rb |
| 84775-95-1 | Rhatany, Krameria triandra, ext. |
| 102575-24-6 | RX 821002 | C12H14 N2 O3 |
| 14932-53-7 | Rubidium86 | Rb |
| 33307-33-4 | Rhenium, tetracarbonyl((1,2,3-eta3)-2-methyl-2-propenyl)- |
| 56079-81-3 | Ropitoin | C30H33 N3 O3 |
| 31548-00-2 | RQ 426 |
| 3601-19-2 | Ropizine | C24H26 N4 |
| 12237-02-4 | Reactive Red 49 |
| 301-19-9 | ROBININ | C33H40 O19 |
| 7460-43-7 | Rubiadin 1-methyl ether | C16H12O4 |
| 545-49-3 | Rhodexin | C29H44O9 |
| 157381-55-0 | RPI 856 C | C39H56 N6 O10 |
| 96949-21-2 | Rhamsan gum |
| 12424-17-8 | Romeite |
| 679-90-3 | Roflurane | C3H4 Br F3 O |
| 111974-60-8 | Ritolukast | C17H13 F3 N2 O3 S |
| 147388-37-2 | rhiR protein |
| 40372-00-7 | Ribavirin amidine | C8H14ClN5O4 |
| 69070-98-0 | Rheodol 440 |
| 85563-59-3 | retinyl hexadecyl ether | C36H62 O |
| 13446-72-5 | RUBIDIUM CHROMATE | CrH2 O4 . 2 Rb |
| 21794-01-4 | RUBRATOXIN B | C26H30 O11 |
| 121036-43-9 | Rennin B |
| 220581-49-7 | Rebif |
| 13021-40-4 | RHODIZONIC ACID DIPOTASSIUM SALT | C6H2 O6 . 2 K |
| 3036-82-6 | RAC-1 2-DIPALMITOYLGLYCERO-3-PHOSPHO- | C38H74 N O10 P |
| 14682-29-2 | RORIDIND | C29H38 O9 |
| 151555-47-4 | RU 58668 | C34H43 F5 O5 S |
| 77752-20-6 | ribocitrin | C22H34O19 |
| 36193-36-9 | rhazinilam | C19H22 N2 O |
| 13929-35-6 | Rifamycin, 4-O-(carboxymethyl)- | C39H49NO14 |
| 95635-56-6 | Ranolazine dihydrochloride | C24H33N3O4.2(HCl) |
| 23354-53-2 | Reactive Red 240 | C27H22 Cl N7 O16 S5 . 4 Na |
| 8030-89-5 | Rum Ether | C2 H6 O.unspecified |
| 139135-48-1 | rdgB protein |
| 124884-29-3 | Ramoplanin A 1 (peptidemoiety),1-[N2-[(2Z,4E)-7-methyl-1-oxo-2,4-octadienyl]-L-asparagine]-11-[(2S)-2-[4-(a-D-mannopyranosyloxy)phenyl]glycine]-(9CI) | C113H144 Cl N21 O35 |
| 313348-27-5 | REGADENOSON | C15H18N8O5 |
| 54063-54-6 | Reproterol | C18H23 N5 O5 |
| 23419-43-4 | Ridaflone | C23H22 F3 N3 O |
| 135221-03-3 | R 665 | C17H22 N4 O4 . 2 I |
| 104153-37-9 | Rilopirox | C19H16 Cl N O4 |
| 512-69-6 | Raffinose | C18H32 O16 |
| 75859-04-0 | Rimcazole | C21H27 N3 |
| 108436-80-2 | Rociclovir | C15H25 N5 O3 |
| 23239-51-2 | Ritodrine hydrochloride | C17H22ClNO3 |
| 13558-31-1 | RHODAMINE 110 | C20H15ClN2O3 |
| 132151-81-6 | rutacil | C31H34 O18 |
| 181821-44-3 | RPR 120535 |
| 9028-43-7 | Reductase,lactaldehyde (reduced nicotinamide adenine dinucleotide phosphate) |
| 220991-32-2 | Robenacoxib | C16H13 F4 N O2 |
| 90890-76-9 | Racemoside |
| 14026-03-0 | R-N-NITROSO-2-METHYLPIPERIDINE | C6H12 N2 O |
| 14809-48-4 | Rubidium, isotope ofmass 79 | Rb |
| 60987-25-9 | Ro 11-8868 |
| 12731-63-4 | Reactive Black 31 | C29H20N6O17S4.4Na |
| 4029-64-5 | resibufogenin acetate | C26H34 O5 |
| 36781-76-7 | RICINOLEYL RICINOLEATE | C36H68 O4 |
| 147651-70-5 | rpoB1 protein |
| 28554-00-9 | R(+)-2-CHLOROPROPIONIC ACID | C3H5 Cl O2 |
| 142182-54-5 | rubilactone | C15H10 O5 |
| 75864-62-9 | Rexillium III | AlBeCoCrMoNiTi |