4-Benzoxazolecarboxylic acid, 6-bromo-5-(methylamino)-2-(((2S,3S,6S,8S,9R,11R)-3,9,11-trimethyl-8-((1S)-1-methyl-2-oxo-2-(1H-pyrrol-2-yl)ethyl)-1,7-dioxaspiro(5.5)undec-2-yl)methyl)- 4-Benzoxazolecarboxylic acid, 6-bromo-5-(methylamino)-2-((3,9,11-trimethyl-8-(1-methyl-2-oxo-2-(1H-pyrrol-2-yl)ethyl)-1,7-dioxaspiro(5.5)undec-2-yl)methyl)-, (6S-(6alpha(2S*,3S*),8beta(R*),9beta,11alpha))- 4-Br-A23187 4-Bra23187 4-Bromo-A-23187 76455-48-6