retinol, vitamin a1. ascorbic acid, vitamin c, ascorbate. the structural formula of a chemical compound

abstract acid antioxidant ascorbate ascorbic atom atomic bond c20h30o c6h8o6 chain chem chemical chemistry clipart compound contour design diagram dietary emblem formula graphic icon illustration line logo logotype medication medicine model molecular molecule outline particle retinol science shape sign silhouette simple sketch structure supplement symbol vector vitamin