Onalespib
Onalespib is a member of the class of isoindoles that is isoindole in which the amino group has been acylated by a 2,4-dihydroxy-5-isopropylbenzoyl group and in which position 5 of the isoidole moiety has been substituted by a (4-methylpiperazin-1-yl)methyl group. A second-generation Hsp90 inhibitor. It has a role as a Hsp90 inhibitor and an antineoplastic agent. It is a member of resorcinols, a member of benzamides, a tertiary carboxamide, a member of isoindoles and a N-alkylpiperazine.