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system
Provide the molecular formula for the IUPAC named substance 2-(12-azapentacyclo[11.7.1.02,11.03,8.017,21]henicosa-1(20),2(11),3,5,7,9,13,15,17(21),18-decaen-12-yl)-4-pyridin-2-yl-[1]benzofuro[3,2-d]pyrimidine;2-(12-azapentacyclo[11.7.1.02,11.03,8.017,21]henicosa-1(20),2(11),3,5,7,9,13,15,17(21),18-decaen-12-yl)-4-pyridin-3-yl-[1]benzofuro[3,2-d]pyrimidine;2-(12-azapentacyclo[11.7.1.02,11.03,8.017,21]henicosa-1(20),2(11),3,5,7,9,13,15,17(21),18-decaen-12-yl)-4-pyridin-4-yl-[1]benzofuro[3,2-d]pyrimidine;2-(12-azapentacyclo[11.7.1.02,11.03,8.017,21]henicosa-1(20),2(11),3,5,7,9,13,15,17(21),18-decaen-12-yl)-4-quinolin-8-yl-[1]benzofuro[3,2-d]pyrimidine .
user
C144H82N16O4
assistant