2-Amino-5-(ethylamino)-5-oxopentanoic (E)-4-amino-5-oxopent-2-enoic anhydride (Compound 2) 2024년 3월 20일 L Biochem 2-Amino-5-(ethylamino)-5-oxopentanoic (E)-4-amino-5-oxopent-2-enoic anhydride (Compound 2) 95%