2 tricyclo 3 3 1 1 3 7 dec 2 yloxy carbonyl amino propyl amino 2 phenylpropyl thio trp center is r other center is rs 122 12 oxa 9 thia 2 5 diazatetradecanoic acid 3 1h indol 3 ylmethyl 3 methyl 4 11 dioxo 7 phenyl tricyclo 3 3 1 1 3 7 dec 2 yl ester trp center is r other center is rs 123 benzenebutanoic acid u03b3 3 1h indol 3 yl 2 methyl 1 oxo 2 tricyclo 3 3 1 1 3 7 dec 2 yloxy carbonyl amino propyl amino methyl trp center is r other center is rs 124 2 pentenoic acid 5 3 1h indol 3 yl 2 methyl 1 oxo 2 tricyclo 3 3 1 1 3 7 dec 2 yloxy carbonyl amino propyl amino 4 phenyl methyl ester trp center is r other center is rs double bond is e 125 benzenebutanoic acid u03b3 3 1h indol 3 yl 2 methyl 1 oxo 2 tricyclo 3 3 1 1 3 7 dec 2 yloxy carbonyl amino propyl amino methyl methyl ester trp center is r other center is rs 127 carbamic acid 1 1h indol 3 ylmethyl 1 methyl 2 oxo 2 2 1h 1 2 4 triazol 5 ylthio acetyl amino 2 phenylethyl amino ethyl tricyclo 3 3 1 1 3 7 dec 2.