PTFE-faced silicone septum, 32 mm

PureSolv^TM Micro replacement purification column

PYRAZINE-2-CARBOXYLIC ACID (2,4-DIHYDROXY-BENZYLIDENE)-HYDRAZIDE

PYRAZINE-2-CARBOXYLIC ACID (4-METHYL-BENZYLIDENE)-HYDRAZIDE

Pyrex^® breakseal flask

Pyrex^® 破坏密封烧瓶

Pyrex^® oil dilution distilling receiver

Pyrex^® Stopcocks, high vacuum

PYRIDINE-2-CARBOTHIOIC ACID PHENYLAMIDE

PYRIDINE-2-CARBOXYLIC ACID (2-BENZOYL-5-METHYL-PHENYL)-AMIDE

PYRIDINE-2-CARBOXYLIC ACID N'-ACETYL-HYDRAZIDE

PYRROLE-1-CARBOXYLIC ACID PENTADECYL ESTER