label: ((6R,9S,12S)-12-Methoxy-9-methyl-10,11,13-trioxa-tricyclo[7.2.2.01,6]tridec-8-ylmethyl)-triphenyl-stannane
label_lc: ((6r,9s,12s)-12-methoxy-9-methyl-10,11,13-trioxa-tricyclo[7.2.2.01,6]tridec-8-ylmethyl)-triphenyl-stannane