Synonyms: methyl 1-hydroxy-5,9-dimethoxy-1-(2-methoxy-2-oxoethyl)-2-methyl-1,2,3,4-tetrahydrophenanthrene-2-carboxylate;NSC51559;AC1Q5ZMS;AC1L6A05;AR-1J4341;NSC-51559;A838570;1-hydroxy-5,9-dimethoxy-1-(2-methoxy-2-oxoethyl)-2-methyl-3,4-dihydrophenanthrene-2-carboxylic acid methyl ester;methyl 1-hydroxy-5,9-dimethoxy-1-(2-methoxy-2-oxoethyl)-2-methyl-3,4-dihydrophenanthrene-2-carboxylate;methyl 5,9-dimethoxy-1-(2-methoxy-2-oxidanylidene-ethyl)-2-methyl-1-oxidanyl-3,4-dihydrophenanthrene-2-carboxylate