Hymenidin

Formula : C11-H12-Br-N5-O
CAS : 107019-95-4 

Serotonergic receptor antagonist from Okinawan marine sponge Hymeniacidon.

Hymenoflorin

Formula : C15-H20-O5
CAS : 51292-63-8 

Antileukemic agent isolated from Hymenoxygrandiflora.

Hymenograndin

Formula : C19-H26-O7
CAS : 51292-55-8 

Antileukemic agent isolated from Hymenoxys grandiflora.

Hymenovin

Formula : C15-H22-O5
CAS : 57074-51-8 

Major toxic constituent of poisonous range plant Hymenoxys odorate; shown to be mutagenic.

Hymenoxone

Formula : C15-H22-O5
CAS : 57377-32-9 

Major toxic constituent of poisonous range plant Hymenoxys odorate; shown to be mutagenic.