(3aR,7aS)-benzyl 2-hydroxy-2-((4-oxoquinazolin-3(4H)-yl)methyl)hexahydrofuro[3,2-b]pyridine-4(2H)-carboxylate

benzyl (2R,3S)-3-(benzyloxy)-2-(2-hydroxy-3-(4-oxoquinazolin-3(4H)-yl)propyl)piperidine-1-carboxylate

(2R,3S)-3-benzyloxy-2-[2-oxo-3-(4-oxoquinazolin-3(4H)-yl)propyl]piperidine-1-carboxylic acid benzyl ester

(3S)-trans-O-acetyl-N-benzyloxycarbonyl-febrifugine

(+)-异常山碱