N-benzyl-N-[(1R,2R,3S,4S,5S,6S)-2-(benzo[1,3]dioxolo-5-ylmethoxy)-4,5-(isopropylidenedioxy)-7-oxabicyclo[4.1.0]hept-3-yl]-4-'-methylbenzenesulfonamide

(1S,2R,3R,4S,5S,6S)-3,4-(isopropylidenedioxy)-5-hydroxy-6-benzoyl-7-(4'-methylphenylsulfonyl)-7-azabicyclo[4.1.0]heptane

(1R,2S,3S,4S,4aR,11bR)-1,2,3,4-Tetraacetoxy-1,3,4,4a,5,11b-hexahydro<1,3>dioxolo<4,5-j>phenanthridin-6(2H)-on

N-[(1R,2R,5R,6S)-2-(1,3-benzodioxol-5-yl)-5,6-(isopropylidenedioxy)cyclohex-3-en-1-yl]-N-(methoxycarbonyl)-4-methylbenzenesulfonamide

(1S,2R,3S,4R,4aS,11bR)-4-benzylamino-1-(tert-butyloxycarbonyloxy)-2,3-(isopropylidenedioxy)-2,3,4,4a,6,11b-hexahydro-1H-5,8,10-trioxa-cyclopenta[b]phenanthrene-6-one