[2S-(2alpha,7aalpha,13abeta)]-3,4,7a,13a-Tetrahydro-5,10,12,13a-tetrahydroxy-2,7a-bis(4-hydroxyphenyl)-2H,13H-furo[2,3-b:5,4-h']bis[1]benzopyran-13-one
8-oxo-9-(3,4,5-trimethoxyphenyl)-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl hexopyranoside
2-(tert-butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid