Supplier Page from Aladdin Scientific Corporation for 2,2-Dimethyl-1-(7-methyl-6-((trimethylsilyl)ethynyl)-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-1-yl)propan-1-one
(2R)-2-methyloxane-2-carboxylic acid from Aladdin Scientific Corporation
2,4-Difluorobenzenesulfonamide from Aladdin Scientific Corporation
Boc-3,4-dimethoxy-l-phenylalanine from Aladdin Scientific Corporation
tert-butyl (3R,4R)-3-fluoro-4-hydroxypyrrolidine-1-carboxylate from Aladdin Scientific Corporation