2,2,5,7,8-Pentamethyl-6-(2-guanidinoethoxy)chroman 47207-85-2 Cromanidin Guanidine, (2-((3,4-dihydro-2,2,5,7,8-pentamethyl-2H-1-benzopyran-6-yl)oxy)ethyl)- Vufb 6494