O=C1C=Cc2ns[nH+]c2C1=N[O-] mol36987 0_1 O=C1C=Cc2nsnc2C1=NO mol36987 0_2 O=C1C=Cc2[nH+]snc2C1=N[O-] mol36987 0_3 O=C1C=Cc2nsnc2C1=N[O-] mol36987 -1_1