... -1-methyl-8-methylidene-13-oxo-1,2,4b,5,6,7,8,9,10,10a-decahydro-4a,1-( ... -1-methyl-8-methylidene-13-oxo-1,2,4b,5,6,7,8,9,10,10a-decahydro-4a,1 ... )-7,9a-methanobenzo[a]azulene-10-carboxylic acid CAS No.: 77-06-5 EINECS No.: 201-001-0 Molecular Formula: C19H22O6 Molecular ... Weight: 346.3800 Appearance: White or light yellow powder. Assay: 75%、 ...