Figure 1
From: In vivo inhibition of angiogenesis by sulphamoylated derivatives of 2-methoxyoestradiol

Structure of compounds. Compound 1, 2-methoxyoestradiol (2-MeOE2); compound 2, 2-methoxyoestradiol-3,17-O-O-bis-sulphamate (2-MeOE2bisMATE); compound 3, 2-methoxy-3-O-sulphamoyl-17β-cyanomethyl oestra-1, 3, 5 (10)-triene (17-Cym-2-MeOE2MATE); compound 4, 2-methoxy-3-hydroxy-17β-cyanomethyl oestra-1, 3, 5 (10)-triene (17-Cym-2-MeOE2).