Supplier Page from Aladdin Scientific Corporation for Spiramycin I
1,3-Bis(benzo[d]oxazol-2-yl)benzene from Aladdin Scientific Corporation
4-Bromo-3-nitro-1H-pyrazole-5-carboxylic acid from Aladdin Scientific Corporation
D-Glutamic acid from Aladdin Scientific Corporation
Dipyrido[3,2-a:2',3'-c]phenazine from Aladdin Scientific Corporation