摘要 |
<p>Compounds of formula R1O-(CH2)m-S-S-(CH2)p-S]xS-(CH2)n-OR2 wherein R1 and R2 are, independently, hydrogen, C1-5alkyl or a physiologically-hydrolyzable and -acceptable acid residue; m and n are, independently, 2 or 3; p is an integer of fron 2 to 6; and x is 1, 2 or 3; whereby when x is 2 or 3, each p may be the same or different, having immunostimulant activity.</p> |