div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader040fdocumentorgreader040viewer2022020522575067ff1a28ab0f07ae2019html5page1jpg target=_blank img data-url=documentisolation-of-penicillaminic-acid-and-d-aminoadipic-acid-from-cephalosporinhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Isolation of Penicillaminic Acid and D-α-Aminoadipic Acid from Cephalosporin N loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader040fdocumentorgreader040viewer2022020522575067ff1a28ab0f07ae2019html5thumbnails1jpg width=140 height=200 adivp© 1953 Nature Publishing Grouppdiv