Supplier Page from Aladdin Scientific Corporation for Methicillin sodium salt
4-Nitrophenyl phosphate disodium salt hexahydrate from Aladdin Scientific Corporation
meta-Phosphoric acid from Aladdin Scientific Corporation
Methyltetrazine-PEG4-acid from Aladdin Scientific Corporation
Trifluoroacetic acid - Triethylamine 2M:2M solution from Aladdin Scientific Corporation