(2R,3R,4S)-2-(hydroxymethyl)-3,4-dihydro-2H-pyrrole-3,4-diol 2024년 5월 22일 L Biochem (2R,3R,4S)-2-(hydroxymethyl)-3,4-dihydro-2H-pyrrole-3,4-diol CAS # 108692-47-3 95%