Supplier Page from Aladdin Scientific Corporation for 1-Butyl-2-imino-10-methyl-5-oxo-N-(1-phenylethyl)-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide
1-Chloroethyl chloroformate from Aladdin Scientific Corporation
2-Aminothiophene-3-carboxamide from Aladdin Scientific Corporation
2-Methyl-1-naphthoic acid from Aladdin Scientific Corporation
Z-D-Ser(tBu)-OH from Aladdin Scientific Corporation