[PHR9213-100MG] 5-[2-Ethoxy-5-[(4-methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland 1,274,460원