63792-64-3 1,3-Dioxol-1-ium,4,5-dihydro-4,4,5,5-tetramethyl-2-[3-(4,4,5,5-tetramethyl-1,3-dioxolan-2-ylidene)-1-propenyl]-, perchlorate 54850-32-7 (1S,4bβ,10aβ)-1,2,3,4,4a,4b,5,6,10,10a-Decahydro-1,4aα-dimethyl-7-(1-methylethenyl)-1β-phenanthrenecarboxylic acid methyl ester