27.69
[1]. E Shapiro, et al. 17-esters and 17,21-diesters of 9-alpha, 11-beta-dichlorocorticoids. Synthesis and anti-inflammatory activity. Steroids. 1967 Feb;9(2):14-6.
[2]. H Ogura, et al. Synthesis of 9-O-acyl- and 4-O-acetyl-sialic acids. Carbohydr Res. 1987 Sep 1:167:77-86.
H226-H1-H19-H
P21-P2-P24-P241-P242-P24-P261-P264-P271-P28-P2+P2-P4+P4-P62+P64-P7+P78-P4-P1
GHS2,GHS7
272