Sigma-Aldrich
Phosphor bronze alloy, Cu94Sn6
PH-(2-P-TOLYL-1,9B-2H-5-OXA-3,3A-DIAZA-CYCLOPENTA(A)NAPHTHALEN-4-YL)-METHANONE
PhasePrepTM BAC DNA Kit
PhasePrepTM BAC DNA试剂盒
PHENETHYL P-TOLYL SULFONE
PHENOTHIAZINE-5-OXIDE
PHENYL 1-HYDROXY-4-PHENYLAZO-2-NAPHTHOATE
Phenyl 3-(aminosulfonyl)phenylcarbamate
Plas-Labs La Petite glove box