(3S,7S,8R,9S,10R,13S,14S)-3-hydroxy-7-methoxy-10,13-dimethyl-1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-one

2b-methoxy-2a-methyl-2,3,4,5,6,6a,7,7a-octahydroindeno[2,1-b]oxete

t-2-methoxy-2-(1-methylethyl)-r-1-cyclohexaneacetic acid methyl ester

dimethyl (2S)-2-hydroxy-2-propan-2-ylbutanedioate

2,4-dichloro-5-(methoxymethyl)benzoic acid