9-(9-hydroxyfluoren-9-yl)fluoren-9-ol

(R)-(+)-3-甲基己二酸

石杉碱乙

(4aR,5S,10bR,12S)-12-methyl-2,3,4,4a,5,6-hexahydro-1H-5,10b-propano-1,7-phenanthrolin-8(7H)-one

2,2,6-三甲基-1-氧杂螺[2.5]辛烷-8-酮