1-(4-((2-O-(6-Deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranosyl)oxy)-2,6-dihydroxyphenyl)-3-(3-hydroxy-4-methoxyphenyl)propan-1-one 20702-77-6 AIDS-187917 AIDS187917 Neohesperidine dihydrochalcone