I would like to purchase the following. May I have a quotation with shipping price to Singapore. Triamcinolone (CAS: 124-94-7) Vancomycin (CAS: 1404-90-6) Cefazolin (CAS: 25953-19-9) Quantity about 100g each (or nearest available packing size) Thanks!Shona PekResearch ScientistInstitute of Bioengineering and Nanotechnology 邮箱:spek@ibn.a-star.edu.sg