3-(Butan-2-yloxy)benzoic acid 、
N-((3S,3aR,6S,6aR)-6-amino-hexahydrofuro[3,2-b]furan-3-yl)cyclopropanecarboxamide 以to yield 3-sec-butoxy-N-((3S,3aR,6S,6aR)-6-(cyclopropanecaboxamido)hexahydrofuro[3,2-b]furan-3-yl)benzamide (3.5 mg, 36.0%)的产率得到3-sec-butoxy-N-((3S,3aR,6S,6aR)-6-(cyclopropanecarboxamido)hexahydrofuro[3,2-b]furan-3-yl)-benzamide