Fig. 2: Synthesis and characterization of TT-OP and TT-OP-CD3.
From: Installation of d3-methyl group to drugs by continuous-flow solid-phase synthesis

a Synthetic procedure of TT-OP and TT-OP-CD3. b Solid-state 13C CP/MAS NMR spectrum of TT-OP. c FT-IR spectra of TT and TT-OP. d UV–vis absorption diffuse reflectance spectra of TT and TT-OP. e Solid-state 2H MAS NMR of TT-OP and TT-OP-CD3. f XPS survey spectra of TT-OP and TT-OP-CD3. g S 2p XPS spectra of TT-OP and TT-OP-CD3.