(4aR,4bS,8S,11aS,13aR)-8-methyl-3,4,4a,4b,5,8,9,10,11,11a,13,13a-dodecahydrospiro[benzo[f]pyrido[2,1-a]isoquinoline-2,2'-[1,3]dithian]-6(1H)-one

(4aR,4bS,8S,11aS,13aR)-8-methyl-3,4,4a,4b,5,8,9,10,11,11a,13,13a-dodecahydro-2H-benzo[f]pyrido[2,1-a]isoquinoline-2,6(1H)-dione

2-(4-(2-(2,2-dimethoxyethyl)-1,3-dithian-2-yl)bytoxy)tetrahydro-2H-pyran

2-(2-(4-hydroxybutyl)-1,3-dithian-2-yl)acetaldehyde

2-(S)-(methoxycarbonylmethyl)-6-(S)-methylpiperidine