(3S,4aR,6R,7R,8S)-6,7-bis(benzyloxy)-8-(benzyloxymethyl)-3-(undec-2-en-1-yl)hexahydropyrido[1,2-c][1,3]oxazin-1(3H)-one

(4R,5R,6S)-4,5-bis(benzyloxy)-6-(benzyloxymethyl)piperidin-2-one

benzyl (4R,5R,6S)-3,4-bis(benzyloxy)-2-(benzyloxymethyl)-6-oxopiperidine-1-carboxylate

benzyl (2S,3R,4R,6R)-6-Allyl-3,4-bis(benzyloxy)-2-(benzyloxymethyl)piperidine-1-carboxylate

benzyl (2S,3R,4R,6R)-3,4-bis(benzyloxy)-2-(benzyloxymethyl)-6-[(2R)-2-hydroxypent-4-enyl]piperidine-1-carboxylate