Sigma-Aldrich
PureSolvTM Micro replacement purification column
PYRAZINE-2-CARBOXYLIC ACID (3-HYDROXY-BENZYLIDENE)-HYDRAZIDE
PYRAZINE-2-CARBOXYLIC ACID (5-BROMO-2-METHOXY-BENZYLIDENE)-HYDRAZIDE
Pyrex® breakseal flask
Pyrex® 破坏密封烧瓶
Pyrex® Pestle
PYRIDIN-3-YLMETHYLENE-(4-P-TOLYL-PIPERAZIN-1-YL)-AMINE
PYRIDINE-2-CARBOXYLIC ACID (1-(3,4-DIMETHOXY-PHENYL)-ETHYLIDENE)-HYDRAZIDE
PYRIDINE-2-CARBOXYLIC ACID (3-ALLYL-2-HYDROXY-BENZYLIDENE)-HYDRAZIDE
PYRIDO[1,2-B]ISOQUINOLINIUM BROMIDE HYDRATE
PYRROLIDINE-1-CARBOXYLIC ACID (3-TRIFLUOROMETHYL-PHENYL)-AMIDE
PYRUVIC ALDEHYDE DIBUTYL ACETAL
Quickfit® air condenser
Quickfit® double surface (Davies) condenser
Quickfit® expansion adapter