Sulfur-doped graphene

tert-Butyl (3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinylcarbamate

tert-Butyl 1-(2-pyridinylcarbonyl)-4-piperidinylcarbamate

tert-Butyl 1-benzoyl-4-piperidinylcarbamate

tert-Butyl 2-(2-pyridinyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

tert-Butyl 2-methyl-6,7-dihydro[1,3]thiazolo[5,4-c]pyridine-5(4H)-carboxylate

tert-Butyl 3-{[(3-chloro-2-pyrazinyl)oxy]methyl}-1-piperidinecarboxylate

tert-Butyl 3-((3-cyanopyridin-2-yloxy)methyl)pyrrolidine-1-carboxylate

tert-Butyl [3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methylcarbamate

tert-Butyl 3-(neopentylamino)propanoate

tert-Butyl 4-[(4,6-dimethyl-2-pyrimidinyl)amino]-1-piperidinecarboxylate