(2R,6S,7S,9R)-2α-[(1S,4S)-4-(3-Hydroxyphenyl)-4-methoxy-1-methylbutyl]-3β,9,11,11-tetramethyl-8-oxo-1-oxaspiro[5.5]undec-4-ene-7-carboxylic acid (2R,3R)-tetrahydro-2-methyl-5-oxofuran-3-yl ester
CAS No. 95069-54-8