PROPYLAMINOTRIPHENYLPHOSPHONIUM BROMIDE

ProteoSilver^TM Plus Silver Stain Kit

ProteoSilver^TM Plus 银染试剂盒

Pur-A-Lyzer^TM Mini Dialysis Kit

PureSolv^TM Micro 100 Liter solvent purification system

Purple LED light ring for Aldrich^® micro photochemical reactor

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

PYRAZINE-2-CARBOXYLIC ACID (4-BENZYLOXY-3-METHOXY-BENZYLIDENE)-HYDRAZIDE

Pyrex^® Addition funnel, graduated, pressure equalising, cylindrical with PTFE key

Pyrex^® Dropping funnel

PYRIDINE-2-CARBOXYLIC ACID (1-(4-HYDROXY-PHENYL)-ETHYLIDENE)-HYDRAZIDE

PYRIDINE-2-CARBOXYLIC ACID THIOPHEN-2-YLMETHYLENE-HYDRAZIDE

Pyrogallol triacetate

Pyrrolo[1,2-a]quinoxaline

Q 99 2,2-DIMETHYL-2H-NAPHTHO(2,3-B)PYRAN-5,10-DIONE

Q127 2-(4-CYCLOHEXYLBUTYL)-3-HYDROXY-1,4-NAPHTHOQUINONE SILVER SALT