PTFE-faced silicone septum, 32 mm

纯化的人类 α-胎甲球蛋白（蛋白质量）, Purified human alfafoetoprotein (protein mass)

PYRAZINE-2-CARBOXYLIC ACID (5-BROMO-2-HYDROXY-BENZYLIDENE)-HYDRAZIDE

Pyrex^?Burettes, Schellbach, class AS with PTFE key

PYRIDIN-3-YLMETHYLENE-(4-P-TOLYL-PIPERAZIN-1-YL)-AMINE

PYRIDINE-2-CARBOXYLIC ACID (1-NAPHTHALEN-1-YL-ETHYLIDENE)-HYDRAZIDE

PYRIDO(1,2-A)PYRIMIDIN-5-YLIUM, PERCHLORATE

Pyruvate Assay Kit

Quickfit^?air condenser

Quickfit^?Drechsel bottle heads

Quickfit^?plain bends