R 1 chloro 3 piperidin 1 yl propan 2 ol R 2 amino 3 4 nitrophenyl propanoic acid R 2 2 dimethyl 1 3 dioxolan 4 yl methanol Rapamycin Ridaforolimus Ranirestat R Epichlorohydrin rutin Ralfinamide R 2 7 8 trimethyl 2 3E 7E 4 8 12 trimethyltrideca 3 7 11 trienyl chroman 6 ol Roxatidine R 3 isopropylmorpholine hydrochloride R 2 Methylmorpholine hydrochloride R 3 Ethylmorpholine hydrochloride R tetrahydrofuran 3 amine hydrochloride R Ethyl 2 hydroxypropanoate R 3 Amino 2 oxetanone p toluenesulfonic acid salt R 7 Tert Butoxycarbonylamino 5 azaspiro 2 4 heptane R 3 Hydroxypiperidine hydrochloride R 2 methylpyrrolidine hydrochloride Ramatroban R 2 Chloro 1 propanol R Benzyl 5 oxo tetrahydro furan 3 ylcarbamate R 3 Hydroxytetrahydrofuran Reparixin R 2 4 isobutylphenyl propanoic acid R 1 Phenylethylamine R 2 Methyl 2 propanesulfinamide R 3 Amino 3 phenylpropionic acid hydrochloride R Benzyl glycidyl ether

R 3 Chloro 1 phenylpropanol R 1 4 Dioxaspiro 4 5 decane 2 carboxaldehyde Recoflavone R 3 Amino Piperidine dihydrochloride R 1 5 CHLORO 2 METHOXY PHENYL 2 2 2 TRIFLUORO ETHYLAMINE R 2 2 2 TRIFLUORO 1 PHENYLETHYLAMINE HCL R 2 2 2 TRIFLUORO 1 FURAN 2 YL ETHYLAMINE HCL SALT R 2 2 2 TRIFLUORO 1 PHENANTHREN 9 YL ETHYLAMINE R tert butyl 3 fluoropyrrolidine 1 carboxylate R 1 4 benzoyl 2 methylpiperazin 1 yl 2 4 methoxy 1H pyrrolo 2 3 b pyridin 3 yl ethane 1 2 dione RIMITEROL R 1 BOC 4 PIPERIDONE 2 CARBOXYLIC ACID R methyl 4 3R 5S 10S 13R 17R 10 13 dimethyl 7 oxo 3 tetrahydro 2H pyran 2 yloxy hexadecahydro 1H cyclopenta a phenanthren 17 yl pentanoate R 2 amino 3 prop 2 ynylthio propanoic acid R 4 3R 5S 8S 9S 10S 13R 14S 17R 6 ethyl 3 hydroxy 10 13 dimethyl 7 oxo hexadecahydro 1H cyclopenta a phenanthren 17 yl pentanoic acid R methyl 4 3R 5R 8S 9S 10R 13R 14S 17R E 6 ethylidene 3 hydroxy 10 13 dimethyl 7 oxo hexadecahydro 1H cyclopenta a phenanthren 17 yl pentanoate R 3 2 4 6 fluoroquinolin 4 yl cyclohexyl acetyl 4 phenyloxazolidin 2 one R 3 Aminobutan 1 ol R 2 Aminomethyl 1 Cbz pyrrolidine Ruthenium III chloride hydrate R tert Butyl 2 amino 3 phenylpropanoate hydrochloride R 1 5 CHLORO 2 METHOXY PHENYL 2 2 2 TRIFLUORO ETHYLAMINE R 2 2 2 TRIFLUORO 1 PHENYLETHYLAMINE HCL R 2 2 2 TRIFLUORO 1 FURAN 2 YL ETHYLAMINE HCL SALT R 2 2 2 TRIFLUORO 1 PHENANTHREN 9 YL ETHYLAMINE R tert butyl 3 fluoropyrrolidine 1 carboxylate R N Boc piperidine 2 methanol R 1 2 Pyrrolidinylmethyl pyrrolidine R Methyl piperidine 2 carboxylate R tert Butyl 2 amino 4 methylpentanoate hydrochloride

R 1 4 benzoyl 2 methylpiperazin 1 yl 2 4 methoxy 1H pyrrolo 2 3 b pyridin 3 yl ethane 1 2 dione R Beta methylphenethylamine R 2 Amino 2 4 chlorophenyl acetic acid RIMITEROL R 1 BOC 4 PIPERIDONE 2 CARBOXYLIC ACID R 2 Oxiranylmethyl 1H isoindole 1 3 2H dione R 6 Ethyl 2 Piperidinone R N Boc 2 morpholinecarbaldehyde R N Boc 5 oxo piperidine 2 carboxylic acid methyl ester R N Boc 5 oxo piperidine 2 carboxylic acid ethyl ester R 2 2 Oxoethyl 4 morpholinecarboxylic acid tert butyl ester R N Boc 3 amino cyclopentanone R 2 Amino dodecanoic acid R 2 amino 2 4 hydroxyphenyl acetamide R Thiomorpholinecarboxylic acid R 3 Hydroxy pyrrolidin 1 yl acetic acid R 1 4 bromo 2 fluorophenyl ethanamine R R 2 8 Diazabicyclo 4 3 0 nonane R Pyrrolidine 3 ethanol R 1 Pyridin 2 yl ethylamine R R 3 5 Dimethylmorpholine R 1 Amino 3 buten 2 ol R 1 amino 3 phenylpropan 2 ol R 3 Thiophen 3 yl morpholine R 3 Furan 3 yl morpholine R 3 Cyclopropylmethyl morpholine R 3 Cyclopentylmorpholine R 3 Cyclobutylmorpholine R 1 Methyl 2 pyrrolidineethanamine R 2 Anilinomethyl pyrrolidine

R 2 Ethylpiperidine R 2 piperidin 2 yl ethanol R 2 Methoxy 1 propanamine R 2 benzylmorpholine R 2 Isobutylmorpholine R 2 Isopropylmorpholine R 2 Hydroxymethyl piperazine R N Boc 2 aminomethylmorpholine R Isopropyloxirane R 1 Benzyl 4 hydroxy 2 pyrrolidinone R 2 Phenylmorpholine R 2 amino 3 prop 2 ynylthio propanoic acid R methyl 4 3R 5S 10S 13R 17R 10 13 dimethyl 7 oxo 3 tetrahydro 2H pyran 2 yloxy hexadecahydro 1H cyclopenta a phenanthren 17 yl pentanoate R 6 Hydroxymethyl morpholin 3 one R Dihydro 5 hydroxymethyl 2 3H furanone R 6 hydroxymethyl 2 Piperidinone R 2 methylpentanedioic acid R Butanedioic acid 2 methyl 4 methyl ester R 4 3R 5S 8S 9S 10S 13R 14S 17R 6 ethyl 3 hydroxy 10 13 dimethyl 7 oxo hexadecahydro 1H cyclopenta a phenanthren 17 yl pentanoic acid R methyl 4 3R 5R 8S 9S 10R 13R 14S 17R E 6 ethylidene 3 hydroxy 10 13 dimethyl 7 oxo hexadecahydro 1H cyclopenta a phenanthren 17 yl pentanoate R 2H Tetrahydropyran 2 carboxylic acid R 3 2 4 6 fluoroquinolin 4 yl cyclohexyl acetyl 4 phenyloxazolidin 2 one R Homopipecolic acid R 2 Hydroxybutanoic acid R 3 Aminobutan 1 ol rac N Desmethyl Mephenytoin Ranitidine Impurity B R 2 Aminomethyl 1 Cbz pyrrolidine R Bornylamine R 1 Carbobenzoxy 3 pyrrolidinol