IUPAC:(1R,4Z,7S,17R)-4-ethylidene-7-hydroxy-7-(hydroxymethyl)-6-methylidene-3,8-dioxo-2,9-dioxa-14-azatricyclo[9.5.1.0^{14,17}]heptadec-11-en-14-ium-14-olate
IUPAC:(1R,4Z,7S,17R)-4-ethylidene-7-hydroxy-7-(hydroxymethyl)-6-methylidene-3,8-dioxo-2,9-dioxa-14-azatricyclo[9.5.1.0^{14,17}]heptadec-11-en-14-ium-14-olate