compound (R)-N-methylcoclaurine compound KEGG:C05243 UPa:UPC05243 CHEBI:16387 InChI=1S/C18H21NO3/c1-19-8-7-13-10-18(22-2)17(21)11-15(13)16(19)9-12-3-5-14(20)6-4-12/h3-6,10-11,16,20-21H,7-9H2,1-2H3/t16-/m1/s1 C18H21NO3