Isocorydine hydrochloride13552-72-231 % similar 3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-triene-7-carbonitrile35202-54-131 % similar 2,3,4-Trimethoxy-6-methylphenol39068-88-731 % similar 2,3,4-Trimethoxybenzyl alcohol71989-96-331 % similar 2,3,4,5-Tetramethoxytoluene35896-58-330 % similar Colchicine64-86-830 % similar