Halobetasol

Formula :
CAS : 98651-66-2 

Used in ointment to treat psoriasis; Ulobetasol cream contains 0.05% 6-fluoroclobetasol 17-propionate.

Halobetasol propionate

Formula : C25-H31-Cl-F2-O5
CAS : 66852-54-8 

Used in ointment to treat psoriasis; Ulobetasol cream contains 0.05% 6-fluoroclobetasol 17-propionate

Halocyamine A

Formula : C27-H28-Br-N7-O5
CAS : 122548-03-2 

Isolated from Halocynthia roretzi; antimicrobial cpd.

Halocyamine B

Formula : C29-H32-Br-N7-O6
CAS : 122548-04-3 

Isolated from Halocynthia roretzi; antimicrobial cpd.

Halocynthiaxanthin

Formula :
CAS : 81306-52-7 

From red sea sponge; inhibits reverse transcriptase of HIV-1 and HIV-2.