riboflavin (b2 vitamin) (riboflavinum) angolul

riboflavin [riboflavins]▼◼◼◼noun
[UK: ˌraɪ.bəʊ.ˈfleɪ.vɪn] [US: ˌraɪbo.ʊ.ˈfleɪ.vɪn]