triphenylmethylium hexafluoroantimonate

1-((5R,8S,10S,13S,14S,16R,17S)-3,3-dimethoxy-10,13,16,17-tetramethyl-2,3,4,5,6,7,8,10,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)propan-1-one

(4-methylphenyl)-trityldiazene

4-(trityloxy)benzaldehyde O-benzyl oxime