Natriummethylparahydroxybenzoat og natriumpropylparahydroxybenzoat Olanzapin smeltetablet indeholder natriummethylparahydroxybenzoat og natriumpropylparahydroxybenzoat.
Olanzapine comprimé orodispersible contient du parahydroxybenzoate de méthyle sodé et du parahydroxybenzoate de propyle sodé.