Sigma-Aldrich
Platinum
Porphobilinogen
紫质胆素原
Rhodamine B isothiocyanate
罗丹明 B 异硫氰酸酯
Silicone Elastomer, Sheet, Thickness 3.0Mm, Size 100X100 Mm, 1 Piece
Silver
Sodium 4-methyl-2-oxovalerate
4-甲基-2-氧代戊酸钠盐
Tantalum
TAPS
N-[三(羟甲基)甲基]-3-氨基丙磺酸
Tin